No More Black Spot

£32.50£109.00 inc. VAT

(109 customer reviews)

Patio Black Spot Remover

A professional grade outdoor cleaner which eliminates all traces of stubborn grey/white lichen and patio black spot from all masonry and natural stone surfaces

Customer Tip: choose the right black spot treatment

Description

Read the FAQs for the product for extra info
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Coverage details for No More Black Spot

Super Sealer Saver Deal!

3 bottles for the price of 2*

Take advantage of our bundle 3-for-2 saver offer. Order our special 3 for 2 package and get 15 litres (3 bottles) for the price of 10 Litres (2 bottles) - third bottle is FOC! This outstanding value offer won't be around forever so take advantage now!

*Only available for retail customers, cannot be used in conjunction with discount coupons or trade pricing. Returns: On special promotional offers (including but not limited to 3-for-2 deals), all purchased items must be returned, unopened and in good condition for a full refund (minus shipping). The third item (no 3) of the 3-for-2 deal is supplied Free of Charge (FOC) as part of this offer and has no monetary value - it is considered your extra item and is counted last in returns & refunds (first paid item = no 1, 2nd paid item = no 2, 3rd item FOC = no 3). If you keep or use one or more of the promotional products and decide to return any goods, we will refund the value of the returned items excluding the third item (no 3) in the offer. For example, if you purchase 3 items at £60 each on a 3-for-2 you pay £120 total: You use one item and send the 2 remaining items back - we calculate your refund based on you using a paid item (no 1) and are returning the other paid item (no 2) and the FOC item (no 3) making the refund total £60. If you purchase 3 items at £45 each on 3-for-2 and pay £90: you use two items (no 1 & no 2) we count these as paid items, making the third bottle the FOC item (no 3). If you send back the third item you will not qualify for any refund as it is assumed as the FOC item.

Buy 5L Patio Black Spot Preventer With 5L No More Black Spot Cleaner as a bundle and save £10

Universeal No More Black Spot 5 Litre Patio Black Spot Cleaner (5 Litre)

COVID19 NOTIFICATION:

Due to ongoing logistics and infrastructure issues, the 5 litre size of No More Black Spot Remover may be supplied in a different format / colour bottle. This is a short term solution enforced by the COVID19 pandemic but please rest assured that the contents will be identical in terms of product formulation and volume as we bottle directly on-site.

Latest Patio Black Spot Remover Reviews…

“Miracles do happen! Left home in the morning leaving an Indian Sandstone Patio in a very sorry state. Returned 3 hours later and was truly astonished at my patio – looking just like it did 6 years ago when it was laid. My partner is also delighted that this product does what it promises, which is very rare these days. We will now be purchasing another product from this Company to clean our front gardens’ circular stone paving that is covered with white spots.

We would definitely recommend this first class product to anyone considering cleaning patios etc. Well done Universal Sealants.”
Janet C
5 star rating

“Great results, be careful not to spill it on your clothes as it does stain them, that said it does state this on the label, very happy”
Jane Taylor

5 star rating

“Finally, I’ve found a product that does what it says it can do, my patio had terrible black spot mould all over it and i couldn’t find a cleaner that would remove it. If you have the same problem as I did then you should definitely use this product because it works!!”
Danny R

5 star rating

Universeal No More Black Spot

Best Patio Black Spot Remover for Lichen & Algae

Usage Guidelines


Dwell Time: 2 hours
Applications/Coats: 1-2 Applications
Application Method: Sprayer / Watering Can / Brush
Dilution: Neat

Documentation


Download a PDF Safety Data Sheet
Download a PDF Technical Application Guide

Professional Outdoor Cleaning Performance

Universeal No More Black Spot is a professional grade outdoor cleaner which eliminates all traces of stubborn grey/white lichen and typical patio black spot from all masonry and natural stone surfaces. We believe it’s the best black spot lichen remover on the market, as do our customers. Read all the reviews lower down the page.

Special Features

  • Our black spot patio cleaner removes stubborn aged black and grey lichen algae spots from all masonry and natural stone surfaces
  • Also removes red and green algae, reviving the surface to its original appearance
  • Easy application, supplied as a ready to use liquid
  • Ideally suited for the removal of persistent patio black spot

DIRECTIONS FOR USE:

  1. Before use always take care to use personal protection, gloves and protective eye wear as a minimum.
  2. Remove all loose debris from the patio area and pre-wet the surface area with clean water prior to applying the Universeal No More Black Spot cleaning fluid.
  3. Generously apply neat solution, taking care not to spill the cleaner on sensitive surfaces, i.e. fabrics or grassed areas. Carefully transfer the cleaning fluid from the bottle to a pump sprayer or watering can. If these containers are not available then cleaning fluid can be used directly from the bucket.
  4. The cleaning fluid needs to be left on the surface for at least 2 hours, during that time the surface must not be allowed to dry out. In hot dry conditions it may be necessary to apply a mist spray with additional cleaning fluid to prevent the paving from drying. Work the area(s) of staining with a brush, if necessary, but ensure the surface remains moist at all times.
  5. After the 2 hour dwell period, the treated area of patio black spot should be washed down with clean water first to neutralise the area and remove the majority of the neat cleaner before pressure washing off with clean water. Please note the patio black spot remover can harm or possibly kill vegetation so try to avoid washing off onto garden or lawned areas. If this unavoidable then soaking these areas with plenty of clean water prior to the cleaner application and after to rinse any cleaner that may have washed off on to the grassed area will stop any damage to vegetation.

Please Note:

In cases of severe black and white lichen contamination, leave the patio black spot remover to dwell overnight and power wash off the following morning. Universeal No More Black Spot contains a chlorine type active ingredient which will stain fabrics and sensitive materials. The fluid might cause slight lightening of some surfaces – always test product in an inconspicuous area prior to use to check suitability.

PRO-TIP:

Look for a change of appearance in the black spots. When the black spots turn white, this indicates that the lichen has been destroyed – you can now wash away, preferably using a pressure washer to lift off the lichen residue. If the spots remain black, leave for a longer dwell time or re-apply some more cleaner.

Coverage:

Apply NEAT. Do not exceed 5m2 per Litre (Maximum 25m2 per bottle)

KEEP OUT OF THE REACH OF CHILDREN AND PETS

EUH031: Contact with acids liberates toxic gas.
H314: Causes severe skin burns and eye damage.
H400: Very toxic to aquatic life.

P102: Keep out of reach of children.
P264: Wash skin thoroughly after handling.
P273: Avoid release to the environment.
P280: Wear protective gloves/protective clothing/eye protection/face protection.
P305+351+338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P321: Specific treatment (see instructions on this label).

Product SDS sheet available to download from the downloads tab.

Handling & Storage

Use this black spot lichen remover within 6 months of purchase or production date. Store in cool, dry conditions out of direct sunlight in original container only. DO NOT RE-USE CONTAINER.

Additional information

Weight 6 kg
Dimensions 20 × 18 × 30 cm
Size Option:

3 for 2 offer (3x 5L Bottles), Bundle (No More Black Spot 5L + Patio Black Spot Preventer 5L), 5 Litre, 25 Litre

Share your thoughts!

4.93 out of 5 stars

109 reviews

Let us know what you think...

What others are saying

  1. Coloured render

    John Knight

    Brilliant, restored it to new in front of your eyes. Bought more to keep for future

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  2. Superb product

    Gareth Owen

    Bought to resurrect a sandstone block path suffering with heavy black spot and algae. Had tried off the shelf products and wasted my money. This stuff is amazing. I decided to apply it using a paint brush to minimise wastage and the results were instant. Have applied a second coat to tackle the more tenacious black spots and the product has completely blasted them ! Result is a path looking like it was when it was laid. Even the post commented on how good it looks ! Interestingly the product seems to working long after the rain washed it off as the odd black spot I missed is still fading. Highly recommended and will be trying their other products soon

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  3. Split photo amazing difference

    Gareth Owen

    Before and after one coat , second coat made it even cleaner

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  4. During first application

    Gareth Owen

    instant results as painted on

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  5. Original state

    Gareth Owen

    path pre application

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  6. Fantastic

    Gerald Tamborski

    Really does what it says, made a huge difference to the look of the patio. Very little effort for high reward. Use a sprayer rather than watering can, more control. So happy I have bought more to do all the paths and brickwork.

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  7. Amazing Stuff

    M Smith

    My patio has been down for over 30 years and despite annual power washes had become increasingly black.

    I had thought I would have to bite the bullet and go for new, but someone recommended I try black spot remover first. I didn’t have much to lose, so I ordered and used it.

    It is absolutely amazing, I now have a new patio for the cost of 3 containers of Black Spot remover and a few hours work. I cannot recommend it highly enough, go for it, use it, you won’t be sorry.

    Before and After - Universeal NO MORE BLACK SPOT patio treatment

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  8. Stunned,

    The Harrisons

    Like others we were sceptical about the success of the black spot remover. How wrong we were !! The patio has been transformed to the one we had when it was installed four years ago. Parts of it are in shade for 90% of the time so were covered in algae and black spot and we did these first and saw them turn like magic into their original colour.

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  9. Brilliant!

    Tommy Boyle, Aberdeenshire.

    As with lots of products these days, you don’t always get what you pay for, this is the exception, it does exactly what it says on the tin, Indian Sandstone patio resurrected, like it was newly laid.

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  10. No more pressure washing

    Steve Boyfield

    Every spring I pressure wash the patio to remove the grime and lichen. Each year there is more ingrained dirt left until I found No more black spot. The flags are back to their original colour and no sign of black spot. Brilliant

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  11. Amazing

    Andrew Greaves0

    Ordered this product on Sunday night. It was delivered Tuesday lunchtime. Followed the instructions and by Tuesday night my block paving was like New. Fantastic product, fantastic service, will definitely be using them again. Blocks are so good, I’m going to order the sealant.

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  12. Amazing product! Made my patio good as new.

    Connor Ward

    Having tried other products in the past that have failed, I am normally very sceptical about these products. However, I can honestly say I am amazed by the results of this. It has made my patio look brand new again, like it has just been laid. I would 100% recommend.

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  13. Flabbergasted

    William Robinson

    Just finished cleaning my rear patio today and to say that I’m flabbergasted would be a complete understatement. I originally nearly went with a more expensive competitors product, but so glad that I didn’t as I’m sure it couldn’t do a better job than this. Followed the easy instructions, waited 2 hours and when rinsed off I could not believe how the colours are back and almost all the black spot is gone. The patio is now looking as good as new and it will be a joy sitting outside when the weather permits. This product really does work and I would thoroughly recommend it to anyone.

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  14. Amazing product!

    manojv.dilip

    I used this to clean up an Indian sandstone patio. The first treatment removed 95% of the nasty black spots. The second targeted treatment was like abracadabra! Amazed by the effect after 2 treatments. Good bye to all the cheap products out there.

    Universeal is the way to go for removing the nasty black spots

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  15. No More Black Spot remover review

    Anne Marie Dancy

    I thought this product worked really well – it was effective with dealing with our issue with black spot which has developed on our five year old Patio. This product solved the problem with minimal effort.

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  16. Best results ever !

    Lisa Slater

    Used this on daughters patio and path, which had been down for 20 years with nothing more than a sweep. She was amazed by the transformation as the pictures testify ! Thank you !

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  17. Alan Welburn

    Very pleased with the product. Only ever jet washed the patio which did not remove these stubborn stains. 80% removed first time round, a second application should remove what’s left.

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  18. Works great

    John Peet

    Used to get black spot of a block paved drive that was covered. Left on for two hours, jet wasjed off and the drive looked amazing. Works really well.

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  19. Jane Burt

    We are very pleased with the results of this product. We recommend doing a test area first to determine how much product you will need. We found a very thorough initial clean with a jet wash and a couple of applications of the product leaving it on overnight each time were required to remove all of the black spot so we did need more product than was suggested. Thank you to the very helpful member of staff who gave us great advice.

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  20. Good as new!

    Dean

    This was a “bitter-sweet” experience…why?…After spending money on two 10L of another company’s product with disappointing results I searched the net for hope and found you guys. With everything crossed, I went for the 3 for 2 option and WOW! so pleased with the results. Followed the instructions – applied neat with a watering can, scrubbed in with a stiff broom, kept the surface damp, left for 2 hours, jet-washed off. So…..”sweet” as-in the product is awesome and “bitter” because I wish I found you before the other product, which was a waste of money and fumes during use that almost gassed me!

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  21. Amazing results

    H Groot

    Doing a garden renovation on a tight budget and decided to make use of some old patio tiles. They were solid but old and didn’t come up great even after a power wash. One application of the black spot remover and they look like new. Absolutely amazing results.

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  22. Susan Jacobs

    Absolutely thrilled with this product; after speaking with a very helpful member of staff to ensure this is what I needed to buy, I followed his and the instructions on the label, tested a small area first and the horrible viscous blackness on the stone disappeared almost in front of my eyes. As advised, I then did the whole area and to say it looks like new is an understatement. I am more than happy with the result.

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  23. Fantastic product

    Tanya Booth

    At last, an amazing product that really works! I used it according to the instructions on Tegula Drivesett block paving where the black spots had got into the crevices on the edges of the blocks as well as the surface. The drive now looks amazing. The product also removed all slippery green algae on slabs without the need to power wash them and my terracotta planters look like new!

    Best to wear old clothes, as per the instructions, as the product bleaches fabric quickly.

    I will definitely be recommending this product. Thank you.

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  24. Great result

    Kim Crook

    I really thought that nothing would work on my patio to get it clean. When the cleaner arrived, I did actually read the instructions, which is unusual for me .. anyway, misted the patio – applied – kept the patio misted with water and left for 2 hours. – pressure washed it off and the patio has been transformed. As it dried out it looked better and better. I will order some more Black Spot remover as I have the rest of the paving to do. There are a couple of very small areas where I will do again, but I have no problem in doing that.
    I certainly gained extra wifey points with my husband !!!

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  25. Simply the best !

    Jackie Boseley

    We bought this for our Indian stone patio and the results were so amazing we couldn’t help but try it out on some York stone flags, a 20 year old forest stone wall (we had forgotten the range of colours ! ) stone pots, rockery stones, terracotta pots, any stone item we could find ! Same brilliant results every time , with so little effort ! Thank you.

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  26. No more black spot

    Sylvia palmer

    Wow amazing product. My patio was layed 15 years ago and I was thinking of a replacement after years of jet washing with poor results I had given up on it. My friend encouraged my to wash it one more time that’s when I really took notice of the black spots I searched the internet for a product to remove them. I didn’t think anything would work, after using lots of different patio cleaners with poor results. I tried a black spot remover from a different company and was disappointed. So I googled which was the best on on the market and it was this one universal seal, no more black spot.
    In less than 15 mins I could see the black spots disappearing in front of my eyes wow wow wow my patio looks like it did when I first had it. Do yourself a favour if you have black spot on your patio or drive use this product to avoid doing the job twice. I’m not being paid for this in still in shock at the fantastic result and I have saved about £3,500.

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  27. Second photo!

    Antony Pontin

    applied as directed to a small area of the Indian sandstone patio to check the results and ensure I was applying correctly.

    Totally amazed to see it working almost immediately. It was not necessary to wait 15 minutes, never mind 2 hours!

    The first photo shows the area I did next to the untreated area. The second photo shows the finished result of the area that needed treating.

    Just absolutely brilliant and will be ordering more for an even larger area of Indian sandstone patio.

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  28. Amazing and almost instant action!

    Antony Pontin

    I applied as directed to a small area of the Indian sandstone patio to check the results and ensure I was applying correctly.

    Totally amazed to see it working almost immediately. It was not necessary to wait 15 minutes, never mind 2 hours!

    The first photo shows the area I did next to the untreated area. The second photo shows the finished result of the area that needed treating.

    Just absolutely brilliant and will be ordering more for an even larger area of Indian sandstone patio.

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  29. The result was almost instant!

    C Yates

    We had a very badly lichen and black spot stained Indian sandstone patio and I had seen the videos and was a bit sceptical about the results. But how wrong was I.

    Gave the patio a clean up with a pressure washer and then started to use the No more Black Spot Cleaner as per instructions in a garden sprayer. The result was almost instant. You can see it turning milky white as it eats through the lichen and black spot.

    Left it on for 2 hours and then washed it off with a hose. A couple of areas needed a second spray but thats no surprising given the amount of black spot.

    A couple of days later we finished it off with another power wash and now we have a very bright clean patio.

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  30. I highly recommend no more black spot

    Jill Mellor

    If your patio looks as filthy as mine did, I would highly recommend ‘no more black spot’. I have tried so many other products, wasting time and money, but this one actually does what it says it will! An excellent product!

    This was a very stained patio. No other cleaners have worked and I’ve tried a few.

    Before and After results with No More Black Spot patio cleaner

    This patio was laid 40 years ago and nothing I have tried previously has worked as well as your product. It has brought the patio back to life!! An excellent product, 5 stars!!

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  31. No More Black Spot

    Mark Huggins

    Amazing product would thoroughly recommend. Applied as directed, literally within seconds the remover started to work, I couldn’t believe my eyes. Once the whole area had had its first treatment I went over it again where I could see it neede more attention. Difficult to keep wet for 2hrs but gave it a complete wash afterwards and then with a jet wash. Brilliant result I then got carried away and and did a path edging stones two small brick walls and my front gardens path with great results yet again. Thank you my friends and family are also amazed.

    Universeal no more black spot - before and after client example

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  32. Very pleased with the result

    Malcolm

    Jet washed the block paved driveway which removed the heavy build up of dirt and grime but left the prolific white/ grey lichen and black spot. Applied the Black Spot Remover as per instructions and am very pleased with the result as all white/ grey and 95% of black spot has been eradicated.

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  33. Awesome results

    Margot

    Very pleased with the results of this. We’ve been struggling to remove the stains for a while and had almost given up hope!

    Awesome results, one very happy customer (plus husband!)

    no more black spot - before and after!

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  34. The Best

    Sandy Radford

    Power washed the patio and it actually looked worse, because the one thing it didn’t shift was the horrible looking black spot.
    We tried various products and scrubbing with a brush, but we couldn’t shift them. Then we used No More Black Spot. It is very easy to use and completely removed all the unsightly marks. Highly recommended.

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  35. One person found this helpful

    Disappointed with result

    Katie Hutchison

    I purchased the no more black spot as after jet washing my front drive it was still covered in ugly black spots. My drive is just over 50m squared. So I purchased 3 bottles. I sprayed it on using a pump action sprayer and left for 4hrs, during which time I kept misting it with the remaining solution so it never dried out. After jet washing again the colour of the pacing has lifted and some black spot has gone. However, I was truly disappointed with how much black spot remained. I feel like it did work as well as advertised. I would not purchase this again. First picture is where I had begun to jet wash, you can see the line of where had been cleaned and where hadn’t. Second pictures shows same place after using product. It is brighter but some of the black spot remains.

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    • Admin

      Hi, we are very sorry to hear that you have not been able to fully remove your black spots. Looking at your photos it seems you had quite a lot of stubborn deposits! Sometimes to achieve perfect results it may be necessary to apply a second application or longer dwell time for the lichen to die (overnight if required). As directed on the product label, we strongly advise completing a test patch to understand the correct dwell time required to turn the black spots white before rinsing the chemical away. Unfortunately on this occasion the correct application process wasn’t carried out before progressing with the whole driveway which has resulted in these moderate results.

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  36. One person found this helpful

    Excellent

    Natalie Field

    Our patio was covered with black spots and even after a power wash they would not budge. We used this black spot remover and they literally disappeared the black spots before your eyes. We left for two hours and then power washed it off and looks so much better now.

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  37. Simply Magic

    Terry Godfrey

    My 8 year-old Indian sandstone was looking really sad – all the beautiful colours had disappeared and it looked grey and tired and covered in the dreaded black spot lichen which power washing and scrubbing would not touch. After following the simple instructions and precautions, I applied Black Spot remover with a garden sprayer at a rate of 1 litre per 5m2. Within minutes the colours had re-appeared and after 1 hour the black spots had completely vanished. In all honesty the patio looks as good as the day it was laid.

    I am now goinhg to purchase your Universal Patio Sealer.

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  38. REALLY EXCELLENT

    John Stapleton

    This is my first review ever of a product but this is so effective I felt it was worth sharing with others.I have tried jet washing,bleach and various patio cleaners but without success.This product is the first to get rid of unsightly black spots

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  39. Fantastic results

    T Davey

    Good Morning.

    I have used your product to clean the patio black spot from our indian sandstone patio. Fantastic results thank you. Our 12 year old patio now looks like new again.

    We would now like to seal the patio as it was never initially sealed when installed.

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  40. Extremely pleased with the results

    C Walker

    Dear sir

    I have purchased 2 lots of your blackspot cleaner and we are extremely pleased with the results. It does exactly what it’s designed for and is very easy to use. Will be recommending it to all our friends and family. I have attached a photo taken part way through our clean to demonstrate the excellent results.

    no more black spot treatment in progress

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  41. No more Black spot

    Mr. David C Needham

    Had tried other products. with no success. But this did exactly as described. Removed most of the black spot. i had to re apply on some badly stained paving. But accept it’s not been cleaned for 10 years. Great product. Would buy again.

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  42. Delighted with the product

    M Khullar

    After several years off black dark spot ridden sandstone garden tiles, we were recommenced by a friend to try universeal’s no more black spot remover.

    After the first application the stones looked amazing there were still a few black spots but after a second application we managed to get rid of the few stubborn marks and are delighted with the product.

    Definitely one we will be recommending to family and friends.

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  43. It worked brilliantly

    S Lord

    I didn’t think this would work. I’d pressure washed my patio but the black spot was still there.
    I phoned the company who assured me it would work. I tried the product and I am very pleased to say it worked brilliantly. I watched it start to work straight away, but kept it on for the 2 hours. It’s amazing.

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  44. Once again terracotta and no longer black!

    B Richardson

    Not quite sure where to start here. I started out being a bit sceptical but I have to say that I am totally amazed at how well this product does what it says on the tin. Our patio had not been cleaned for several years and was completely covered in blackspot and grime.

    After using ‘No More Blackspot’ we now have an almost new looking patio. Using this product has totally changed this part of our garden for the better – it is once again terracotta and no longer black! It was very easy to use with a sprayer and only a handful of slabs (out of nearly 200) needed a second application.

    Would also like to mention that we emailed the company with a small query and got a satisfactory response within minutes. Cannot recommend this product highly enough and nice people to deal with too!

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  45. greater product and fast service

    rich beasley

    amazing to remove black marks. better than expected
    fast and efficient delivery

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  46. Very effective

    Dave G

    Very good product. Some of my Lichen black spots were very ingrained in Indian Sandstone but we’re removed with the recommended 2nd application immediately following the first. Extremely pleased. Just need to re-point the patio now and will be as good as new.

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  47. Quite extraordinary

    M Vass

    I have an Indian sandstone patio area. It has been down for seven years. Despite power washing at the beginning and end of each summer, more than 25% of the area has considerable black spot marks which remain after the power washing. I was considering replacing the patio so called up the Indian sandstone supplier for advice. They suggested I try your No More Black Spot product. The difference is quite extraordinary. Some areas required an additional top up spray after an hour so the product usage was more than I was expecting but the results were amazing. The spotless stones and jointing make the patio area look as if it just been laid. This is a great product and with a 5 litre regular garden pressure sprayer, a very straightforward task.

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  48. A Truly Amazing Product

    Anne Louise Taylor

    This product does EXACTLY what it says . And , if you follow the instructions to the letter it’s very straightforward to use . We have had some severe black spot patches for years now and we ‘ve tried everything and nothing else really worked , UNTIL NOW . IT REALLY DOES WORK ! I WOULD THOROUGHLY RECOMMEND . It is strong ,so best not to wear your Sunday best when you apply in case it splashes …..

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  49. J.B.D.

    John Ditchburn

    Excellent product. 95% of black spot cleared on application. Unfortunately ran out of product must have put too much on. 3 tubs do 75 sq metres I had to do 65 sq metres so maybe order a little extra it will be well worth it. Area done so far looks as though it’s just been laid but been down 12 years. turned dirty grey patio back to it’s natural colours. Brilliant. As I said excellent product and well worth the money having spent years jet washing with little effect. Also no back breaking scrubbing with a deck brush like the last product I tried.

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  50. Thank you for great service and an incredible product

    J. Eden-Riley

    I bought this product a couple of weeks ago mildly hopeful that it would have a positive effect on my drive and patio.

    Well what can I stay? I’m utterly stunned at the effect. It really has transformed both these areas and I cannot believe the difference. I have taken photo’s if these would help. I really am astonished.

    Thank you for great service and an incredible product.

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  51. Black spot remover

    Simon

    I’m always cynical when people say how good a product is but I got this recommended so carried out the process at the weekend. End result is stunning! The patio which is grey slate looks better than when it was layed 3 years ago.
    Superb, just spray on a wet floor, agitate with a stiff brush then power wash.
    Unbelievable.

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  52. paving looks as good as new

    Gary

    I purchased this product to remove the black spot on my Indian sandstone paving that I had laid about 10 years ago.

    The product is amazing it has removed all traces of black spot and the paving looks as good as new, I would definitely recommend this product. It’s very easy to use and results can be seen within 2 hours.

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  53. transformed 100 year old york stone

    mark Bushnell

    Brought yorkstone patio back to life.

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  54. Julia

    Don’t often leave reviews but this stuff is great. We have a large wrap around the house patio of sandstone which had lost all colour and developed a lot of black spot over the last 10 years despite regular jet washing. We tried a rival product first which was about 3x the price and was very good, but it was going to cost a few hundred pounds to complete the job. We saw this one and took a chance that it would do the same job. It did a great job, as good as the more expensive one and I am amazed at the difference in our patio now, all the lovely colours are back and almost all the black spot is gone, just a few areas that will need a touch up.

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  55. Another satisfied customer

    Arthur Hughes

    I purchased the black spot remover after reading great reviews on Universeal’s website. Jason the technical guy provided great tips on how to use the product, he was extremely helpful – first class customer service! The product removed 90% of the black lichen from our Indian sandstone patio. I am delighted with the results. Jason recommended purchasing another tub of the remover and he advised me to leave it on longer to remove the remaining black spots. He also recommended the sealant to complete the job. Another satisfied customer.

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  56. I was so amazed

    L Howard

    I tried a small area to test how good this product is, I was so amazed, can’t believe what a difference, I can’t wait to do my whole driveway now, will now need to buy some more.

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  57. Thanks for a brilliant product

    Darren Gaymer

    After weeks of scrubbing our Indian sandstone patio with bleach and jet washing to absolutely no success I spoke to universal sealants and they recommended their black spot recover. Once I applied it I could see it working instantly. After the 2 hours I jet washed it off and it instantly reminded me of a new patio that we installed 14 years previously. Thanks for a brilliant product

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  58. Cleans up within minutes

    D Lamb

    We jet washed our patio and thought it looked reasonably clean from over the winter period. We then decided to buy this product and give it a go to get rid of the black spot even though it seemed a little pricey but we checked the reviews and they all seemed positive. We could not believe our eyes at how quickly the flags started to clean up within minutes of spraying it on. I would highly recommend this product as our patio looks almost like new again. We are very impressed with no more black spot and wouldn’t hesitate to buy it again.

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  59. Heather C

    Heather Cowlard

    We have tried other products but No More Black Spot is amazing
    Does what it sais. Our Indian sandstone patio has come up like
    New.

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  60. First class cleaner

    Paul Sloan

    This is the second time I’ve purchased No More Black Spot and have no hesitation whatsoever in recommending the product. As an already well know supplier has said before, “Does exactly what it says on the container”, YES, some small areas did need a bit of assistance with a scrubber but no great effort. Great product and will buy again when and if necessary.

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  61. Mr ROBERT GARDINER

    THIS PRODUCT WAS AMAZING ATER 3YRS MY INDIAN RAINBOW LIMESTONE PATIO HAD DEVELOPED LARGE AMOUNTS OF BLACK SPOT ,BY FOLLOWING THE INSTRUCTIONS THIS CLEANED ALL TRACERS OF BLACK SPOT ALL I HAVE TO DO NOW IS TO ADD THE NO MORE BLCK SPOT SEALER HIGHLY RECOMMEND

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  62. Brilliant - works just like it said it would!

    Duncan Paton

    Used this for the first time today having previously used a more expensive competitors product at my parents house. It worked really well on our Indian sandstone, removed the black spots and all the other grime. We are really pleased with how easy it worked and how it got rid of the black spots and brought the limestone back to life
    Delivery was swift given the current situation which was just what we wanted to get another thing kicked off the lockdown list!
    Will be buying a product for the block paving next

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  63. Amazing product!

    James

    This product is amazing! I thought some of the reviews may have been slightly exageratted however they were not!! I have already recommended this product to family members, it really does do what it says on the tin and you can see it work before your very eyes! Will definitely be purchasing again! Thank you

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  64. Brilliant. Saved us a fortune.

    Nigel Liddell

    Used this product this week on slabs with 20 years + black spots and grime on them. Even jet washing the slabs with not much effect! Followed the instructions very simple to use and had a fantastic result. The slabs we were initially going to replace due to their condition are now returned to as good as new. Saved us a fortune . Would highly recommend. Thank you

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  65. A huge relief!

    Lizzie Manson

    I am very delighted to have found this product. My beautiful travertine patio had developed black spot in many areas and was depressing as I had found nothing that would remove it. However, I have just applied No More Black Spot remover and it is now as good as new, beautifully white and bright with no trace of any black spot at all. It’s a fantastic product and I can highly recommend it.

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  66. Years wasted pressure washing

    Cliff Brooks

    I have spent many years trying to clean my patio with a pressure washer and was never very pleased with the results every year it seamed to look worse after washing ,well turns out I could of saved myself a lot of work I used no more black spot and it has completely cleaned my slabs to like new on 90% of them some of my older slabs now around 17 years old the black spot did not change colour and die I may try a second treatment but even so the rest of the slab has been completely renovated I also used it on buff colour bricks they also restored back to new looking it’s easy to use would recommend a face mask when using as it’s chlorine and does give off some fumes

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  67. No More Black Spot and Sandstone Sealer

    A Clark

    Following advice from the Universeal team, I purchased the above products using the 3 for 2 deal and the quantity was just right for my patio. It worked as was explained and my patio is better than when it was first laid – exceptionally clean but you can see the sealant working in it.

    Excellent and I would recommend the products to anyone who wants their patio looking like new.

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  68. did not remove my black spot

    Douglas Bannister

    used the no more black spot twice. first time i sprayed the pavors to act as the catalyst. kept them moist for 2 hrs. +. left overnight and blasted in morning. black spots still there. next night . sprayed them again and this time individually, on every spot, used a brush . kept moist for two hrs. +. left over night. blasted in morning. black spots still remain. this stuff may work on fairly new lichen but only just bought my place and has been neglected for 20 years. only option is my drill and metal buffer to take the lichen off before i seal.

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    • Admin

      Thanks for leaving us feedback. We’re very sorry to hear you haven’t had a positive outcome with No More Black Spot – it’s unfortunate because your experience is at odds with the vast majority of our customers.

      We have liaised with you via our telephone support line and offered you technical support and a 50% reduction on any future order to assist you with completing the project. As discussed, we always recommend you read the instructions fully and pay particular attention to the requirement to undertake a test patch to ascertain the effectiveness of the product for the particular area or surface it is being used on.

      Our experience through hundreds of projects is that No More Black Spot is incredibly effective at removing black spot lichen, whether older or newer – sometimes it can take more applications to achieve perfect results on very old and stubborn black spot but it has always achieved some reduction regardless.

      One possible scenario you may be experiencing is that your patio was sealed with black spot already present – if this happens then the cleaner cannot treat the black spot because the sealer forms a barrier that prevents the cleaner from activating on the lichen. In such circumstances we would recommend that the sealer is stripped back with PRO-STRIP, then cleaned, then resealed once black spot is properly removed.

      We remain at your disposal if you require further support.

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  69. Excellent

    John McDowall

    I used the product on Indian sandstone. This product performed exactly as promised. It was easy to apply and the black spot was removed very quickly. I would recommend this product. Despite the current situation it was delivered within a few days, far earlier than anticipated.

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  70. Magic

    S Dawson

    After trying various chemicals to remove all the black spots on my large patio I found No More Black Spot. Only one word needed FANTASTIC! It was like night and day the difference and almost immediate no heavy scrubbing just wet and then spray it on “voila” MAGIC. DONT TRY ANYTHING ELSE. This is the product for you. It does exactly what the name says.. NO MORE BLACK SPOT. Thank you Universeal Sealants for having such a fantastic product.

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  71. Ramsey

    We are both amazed and thrilled with this product. Very large Indian Sandstone patio was grey, unattractive and had a serious blackspot problem. This product has brought it up looking as good as new. It is like having a new patio.

    Many thanks to Jason for some excellent, honest advice.

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  72. Unbelievable

    Anne Marie

    Without a doubt the bottle says what exactly it does.
    Years of sandblasting first, jet washing, elephant stone rubbing and countless solutions.
    Easy to use , quick and instant results.
    The happiness this product has brought, my sons thought the step should be grey with black spots as they’ve never seen it’s true colours.
    It may have taken me 16 years to get it right and back to how it originally was it’s never going back to the way it was before .

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  73. Better than expected

    Marie Dey

    Fantastic results. All traces of lichen and algae gone. The colour of my slabs came back beautifully. Easy to apply. Works really fast. I used it on my driveway and then got some more for patio in back garden. The same fantastic result. Would highly recommend this product.

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  74. I was not disappointed!

    Nick

    I was on the search for heavy duty Black Spot Removal product and found your website. Was nervous of cost versus reward but have to say i was not disappointed. Once product was applied i could see results in some areas of my sandstone patio within 10mins. Some areas did need second specific application as you would expect. I just wished i had the confidence to go for the 3 for 2 offer as i still have some path deep cleaning to complete now that large patio is complete. The product works!!!

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  75. Amazing/Fantastic

    Tony Connell

    We are really pleased with this product. Our Indian stone patio had a really bad problem with black spot, and this product had it looking like new within 2/3 hours of using it.
    I will definitely recommend this to family and friends who have a similar problem with their patios

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  76. Yes: Does What It Says On The Container

    Ian Taylor

    I used a brush to apply it on to my patio with great results and I don’t usually leave reviews but with this product I felt that I ought to share my experience
    The delivery came within 4-5 days…the real stubborn black spot (the ones with the glossy tops) just had to be wired brushed and then the chemical could get to work!!!!….
    Most of it came off with the chemical on the first brush application…but don’t let it dry out though (I used a spray bottle to stop it drying out) and I found only a minority of black spot was left & this was removed by the jet wash….but 5 ***** all the same.
    I followed it up with the preventor and the gloss & seal…………really nice!!!!

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  77. Amazing

    Kevin Day

    I would thoroughly recommend this product. In fact I will be ordering again very soon.
    Very simple to apply and amazing result.

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  78. Fantastic product!

    Stephanie

    We purchased this product to tackle our awfully stained patio and are amazed at the results! We found this product to be just as good as more expensive competitors and are going to order more.

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  79. No More Black Spot

    Roger Mercer

    Wow .The first time ever that I have bought a product that is as good as claimed by the supplier ,it really is fantastic . My Indian Stone patio was dark grey , coverered in Black Spot and lifeless . After 1 application it became clean and vibrant , it has dramatically improved the look of the house and garden . I would highly recomend this product and shall be buying other products from the range .

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  80. OMG fantastic

    Peter

    11yr old patio cleaned with pressure washer on and off never cleaned properly this stuff left on in drizzling conditions for 3 hrs worked great

    no more anything
    better than new wish you could see the difference

    The secret weapon here is ! Jason! A wealth of knowledge who knows his stuff if u want to buy the product that looks after your Indian stone fencing,or anything else that suffers from the dreaded black spot algae or anything else buy products from here and if in doubt contact Jason for tekky support can’t praise him enough. Looking forward to sitting in my new garden thanks to their products and advice

    Cheers very happy customer

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  81. Excellent Product

    A Kemp

    So happy with the brilliant results. After jet washing the patio & Cleaning with brick cleaner the unsightly black spots wouldn’t shift. Then I used this product & the results were amazing. It looks like I have a brand new patio. I wanted to leave photos of the impressive results but only seemed to work if uploading from computer rather than phone.

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  82. Question

    David Sills

    What is the coverage per litre

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    • catalyst

      Coverage details are shown on product page under ‘coverage’ guidance – if you require further assistance please call our technical helpline during working hours on +44 (0) 1300 345 898 or drop and email to info@universealsealants.co.uk

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  83. Question

    Paul Pugsley

    Is this guaranteed to work or your money back

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    • catalyst

      Thanks for your enquiry. For further assistance please call our technical helpline during working hours on +44 (0) 1300 345 898 or drop and email to info@universealsealants.co.uk and our team will help you.

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  84. Lynn kehily

    Omg , what an amazing product , we were debating wether to replace our Indian sandstone patio as it was covered in black spot & we fell out of love with it , after reading reviews on this product we decided to have one last go at bringing it back to life , if this didn’t work in the skip it goes ; product arrived quickly & we put it to work straight away the results were incredible after 2/3 hours bye bye ugly black spot & hello to our beautiful patio again , We can not thank you enough , thank you, thank you ,thank you .

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  85. Steve

    In spite of all the excellent reviews I did not expect this product to work perfectly. But I am amazed at my new looking patio and driveway. This product is remarkably good and I definitely recommend. One tip…After soaking the patio and driveway and ensuring no puddles of water I used a paintbrush to paint it on to ensure complete coverage. This also avoided wastage.

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  86. Steve Y

    Left it before doing this review for a while as so often people leave reviews too soon after doing a job before the true results are apparent.
    So I used No More Black Spot from Universeal exactly a year ago this month and wow, not a single black spot or lichen spot has returned!. I have used other more expensive products in the past and they haven’t been a patch (excuse the pun) on this Universeal one. Shall definitely order again especially seeing as they offered a 15 percent discount on my next purchase if I left a review (and my Brother now wants to order some as he is impressed with the results so that will come in very handy).

    I would recommend using a patio seal after as it only adds to the ‘brand new patio look’.

    Thanks again Universeal

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  87. Mick Studley

    Last year I tried some other products to remove the black spot on my Raj sandstone patio but to no avail. So I thought that there was no solution.
    This year I pressure washed my patio as normal and so disappointed with the black spots. So I went on the internet to have a fresh look and saw your web site. In desperation I bought the 3 for 2 offer and i just couldn’t believe my eyes. .Although the instruction said wait for 2 hours, all the black spots disappeared with 30 minutes, The slabs looked as if i had just laid them. So your solution was my solution. Fantastic.

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  88. Janet Clarke

    Miracles do happen! Left home in the morning leaving an Indian Sandstone Patio in a very sorry state. Returned 3 hours later and was truly astonished at my patio – looking just like it did 6 years ago when it was laid. My partner is also delighted that this product does what it promises, which is very rare these days. We will now be purchasing another product from this Company to clean our front gardens’ circular stone paving that is covered with white spots.

    We would definitely recommend this first class product to anyone considering cleaning patios etc. Well done Universal Sealants.

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  89. Grahame

    Excellent product. Recommended by my step granddaughter’s partner, thanks Olly. Followed the instructions and could not believe how quickly the black spot started to disappear. Left it on for the recommended two hours and then just washed off and finished with a pressure washer. No scrubbing required. Wish I had found this sooner as I have spent money on a lot of useless products which did nothing (e.g.Patio Magic???). The sandstone patio now looks like it did when it was first laid. Cannot rate this product enough and really good value for money.

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  90. Andrew

    Excellent product which removed all blackspot from my Indian Sandstone Patio and restored the original colour.
    I used a soft broom to spread the cleaner left for around two hours and washed off with a pressure washer.
    No hard scrubbing is needed.

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  91. Kev Hawkins

    Wow wow. Ordered on Tuesday delivered on Thursday cleaned patio on Friday. Don’t be fooled by the cheap price, this product worked. My patio looks as good as the day it was laid.

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  92. Michael Noon

    My Indian Sandstone patio was looking very drab the colours had all but disappeared. Even after jet washing the initial variation in shades would not come back. Having seen another product in a garden centre I purchased a 5 litre bottle to see what a difference it would make. The result was fantastic but to do over 100 sm it would be expensive. I decided to try No More Black Spot at a third of the price. Easy to use the product produced an amazing outcome, equally as good as the previous cleaner at at a far more reasonable price. Patio looks as though it has just been laid. If you think your patio is looking tired give this a try.

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  93. Rebecca Hall – York

    There’s lots of different products saying they will all remove the dreaded patio black spots, we chose this product because of the lower cost this company manufacture their own products.
    The helpline staff were very knowledgeable and thankfully convinced me this product would work, it certainly did we are very pleased.

    An excellent product and a very professional company to deal with.

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  94. Harriett Bartley -Newmarket

    We purchased this product because it is less than half the price than other black spot patio cleaners, amazing results removed 100% of the black mould spots on my patio.

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  95. Chris Hughes

    very good product which did exactly what it said on the tin, this product is cheaper than most other products on the market but I was told it would work better than other products. My indian sandstone patio was covered in unsightly black lichen spots but no more, excellent results and good value for money.

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  96. Gill Broadbent

    Hi,

    We bought this product last week, as our Indian Sandstone Patio wouldn’t come clean with power washing alone. We chose your product based on the reviews and the price relative to other products. We have been very pleased. It was easy to use, didn’t require scrubbing – and has made a huge difference as our patio looks almost back to new again. I wish we’d had just a little more in the bottle, as our patio is a little larger than the max 25 sqm covered by one container – but we will be back for more when we need it again.

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  97. Richard

    Used no more Black Spots for the first time over the May Bank holiday weekend. What a great product! My 20 year old patio was transformed, I even applied to the matching ‘grey’, tired looking decorative garden brickwork and the bright original buff yellow brickwork appeared once more.

    A superb product, so much better than any that I’ve previously used, would highly recommend!

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  98. Teresa B – Nottingham

    Fantastic product cannot believe how it transformed my patio. Was a little sceptical about the 5 star reviews, however they are ‘spot on’ and my 15 year patio looks brand new. Thanks Jason Smith for the brilliant customer service.

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  99. Jo Pilgrim – Norwich

    Very easy to use, I left the cleaner for 2 hours before washing off and my patio looked brilliant, I’m chuffed

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  100. Maureen & Bob – Abbotswood

    Super product, our order arrived next day, great patio cleaner and customer service, thank you Maureen & Bob Merson

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  101. RAPH PRIEST – CANTERBURY

    VERY VERY PLEASED, THIS PRODUCT HAS TRANSFORMED MY OLD PATIO

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  102. Imran Singh

    Good product, cleaned my patio very well took 3 days to arrive.

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  103. Charles Miller – Harrogate

    We had a quote of £640.00 to clean our large patio, we contacted the technical line who were very helpful and convinced us we could do it ourselves.

    We purchased 2 x 25L and spent 1 day cleaning the patio, the results are simple stunning, thank you so much to Jason for his advise, we now have a lovely looking patio and have saved ourselves over £450.00

    Great result all round, Thanks again Charles

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  104. Caroline & Trevor – Abberton

    We are so pleased…This is an Amazing Product, my patio looked terrible it was black with algae before using this product. It has now been transformed to a great new look again. Highly Recommend !!

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  105. NATTY JAZMIN-SAYERS – ASCOT

    WITH SO MANY DIFFERENT PRODUCTS OUT THERE IT’S A MINE FEILD NOT KNOWING WHO TO TRUST BECUASE THEY ALL SAY THEY ARE THE BEST.

    I CONTACTED THIS COMPANY BECAUSE THEIR WEBSITE AND PRODUCTS LOOKED VERY PROFESSIONAL. THEY TOLD ME THAT THEY MANUFACTURE MANY DIFFERNT SPECIALIST PRODUCTS FOR OTHER COMPANIES OUT THERE SO I THOUGHT I WOULD GIVE THEM A GO.

    I’M SO PLEASED I DID, THEY DIDN’T TRY TO HARD SALE ME BUT WERE VERY HELPFUL AND KNOWLEDGABLE, THE PRICE OF THE PRODUCT WAS A LOT LOWER THAN SOME OTHER PRODUCTS AND IT WORKED BRILLIANTLY.

    I DON’T USUALLY LEAVE REVIEWS “GOOD OR BAD” BUT IT’S SO RARE TO DEAL WITH SUCH A PROFESSIONAL COMPANY WITH EXCELLENT PRODUCTS SO I FELT IT ONLY FAIR TO TAKE A FEW MINUTES TO WRITE THIS.

    THANK YOU UNIVERSEAL, MY PATIO LOOKS AMAZING…CONTINUE DOING EXACTLY WHAT YOU ARE DOING, GOOD LUCK

    NATASHA JAZMIN-SAYERS 18/03/18

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  106. Karen List – Basingstoke

    The best patio cleaner I have ever used, simply awesome results

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  107. BEN MERCHANT – SOUTHPORT

    BRILLIANT, DOES EXACTLY WHAT IS SAYS ON THE TIN

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  108. PETER – SCARBOROUGH

    SUPER PRODUCT, SUPER RESULTS

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  109. AMANDA R – CARNFORTH

    BRILLIANT PRODUCT SO EASY TO USE

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  110. J.Potter – Wakefield

    Arrived super quick, very pleased with results

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  111. Barbara Ruston – Beaminster

    Excellent Product, it really does work, I could see it working within 5-10 minutes of applying.

    Very pleased, great results and saved money buying this lower cost product.

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  112. Nial Dawson – Camberley

    NO MORE BLACK SPOTS – That’s exactly what I have on my Patio after using this product, I’m so pleased I used this as I nearly purchased another product locally with a similar name which was over twice the price.

    It just shows you that you don’t always have to buy the most expensive product. Highly Recommend !!

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  113. Barbara Carroll – Manchester

    I did my home work to find the right product to remove the horrible black spots all over my patio, this product is cheaper than most others but they manufacture it themselves and told me it works as well if not better as any other product on the market and they weren’t exaggerating.

    I wish I could post some before and after photos as the results are simple AMAZING this product removed every black spot on my patio…I’m so please and anybody having the same issue should definitely not look any further than this product.

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  114. Jason Daly – Derby

    This product is brilliant, me and my wife are so pleased, it did everything that this company said it would. Within a couple of hours our sandstone patio looked brand new again, we are over the moon and can’t wait for the better weather to come so we can enjoy it again.

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  115. MEL CHURHCER – CARRICKMORE

    WE ARE SO PLEASED, THANKS FOR THE ADVICE, SUPER PRODUCT

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  116. Jane Taylor – Somerset

    Great results, be careful not to spill it on your clothes as it does stain them, that said it does state this on the label, very happy

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  117. Danny R – Guernsey

    Finally, I’ve found a product that does what it says it can do, my patio had terrible black spot mould all over it and i couldn’t find a cleaner that would remove it. If you have the same problem as I did then you should definitely use this product because it works!!

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FAQs

Why hasn't the product removed all of the BLACK SPOTS?

There is only two reasons why the product hasn't been 100% successful, either not enough product has been applied to the contaminated area or is has been rinsed off too soon. NEVER rinse the cleaner off until all the Black Spots have turned completely WHITE. If most of the Black Spots have started to turn white but a few are still Black, apply a little more product. Always Do a Test Area before proceeding with the rest of the patio. Any problems please call our technical helpline where we will be happy to help and advise. 01300-345898

What is the Coverage of this product?

To work correctly we recommend not exceeding a coverage of 5m2 per litre of cleaner, this means a 5L container will cover approximately 25m2

How long do I need to leave the product down before rinsing?

Always do a test patch first, this will show you how long it is taking to kill the Black Spots and turn them white. It normally take 2-3 hours but in stubborn areas can be much longer. Any problems please call our technical team for support and advise 01300-345898

How does this product compare with other similar products on the market?

We manufacture all of our own products, the NO MORE BLACK SPOT is the strongest formula on the market. We abide by strict HSE (BPR biocide) regulations allowing us to manufacture this product.

Do I need to keep the product wet?

What we mean by this is, wet the patio or paving first before applying the cleaner, this will help to stop the chemical drying out inside the stone.

Will this product damage my lawn or plants?

This product is capable of causing damage to the grass and sensitive plants, if you apply plenty of water before and after rinsing the chemical then it will not cause any damage.

What is the best way to apply this product?

Before applying this product to your patio or paving, always read the instructions of use very carefully. Take Note to use personal protection. The best application method is with a simple garden pump sprayer, if you haven't got one then a watering can will do the same job. We recommend a coverage of approximately 4-5m2 per litre of neat cleaner.

Is this product harmful to pets or wildlife?

Like many patio cleaner this product could cause harm to pets or wildlife but only when wet, once you have thoroughly rinsed the cleaner off the patio it will cause no harm to any animals.

Does this stop the Black Spot from coming back?

Once you have used this product successfully, to stop the return of the black spot we advise using the Black Spot Preventer every year to keep the Black Spots from ever returning.

Is this product suitable for my patio?

We have carried out 100's of successful tests on many different types of stone and concrete surfaces. Whether you have concrete slabs, Indian sandstone, limestone, slate, terracotta, block paving, if it has a Black Spot Lichen issue then this product will work. If you are not sure please call our technical helpline 01300-345898

When is the best time to apply the product?

The ideal time to apply the product is on a day when the temperature is not too hot so that the chemical doesn't dry out. Earlier in the morning or later in the day will help achieve best results.

I have rinsed off and I still have some black spots showing, WHY?

There are a number of reasons why some of the black spot have not been killed and turned white. It is mostly due to not enough chemical has been applied to these more stubborn areas, or simply because it hasn't been left long enough on the surface. We recommend leaving a minimum of 2-3 hours before rinsing off, but that is only if all the black spots have turned white. NEVER rinse the chemical off before 100% of the black spots have turned white otherwise you will need to start again and apply more product to these isolated areas. If necessary apply more chemical to the stubborn areas and leave 4 or 5 hours, whatever is necessary to achieve the perfect results. ALWAYS DO A TEST PATCH FIRST, before applying all the product to your patio or paving areas. Any problems or questions please contact our technical helpline for further advice 01300-345898

Is this product safe to use around bedding plants and grass lawns?

Yes it definitely is, although this chemical is capable of damaging sensitive bedding plants and lawns, if you apply plenty of clean water to these areas just before and during the rinsing off process then the chemical will not have zero adverse effects to these sensitive areas.

What is the best way to rinse the chemical off?

Once all the Black Spots have turned White you are then ready to rinse the chemical off. It is very important that you do this carefully and safely, we DO NOT advise rinsing straight off with a pressure washer! This will produce airborne spray of neat chemical which if comes in contact with sensitive areas could cause damage. We STRONGLY recommend rinsing thoroughly with a hose first, this can be done safely. There after once all of the cleaner has been rinsed away you can then use your pressure washer to removed all the White Spots and thoroughly clean the patio.

Do I need to use personal protection whilst using this cleaner?

Yes, like most other patio cleaners it is always advised to work safely whilst using this product. We advise taking great care and to use personal protection, i.e eye protection, gloves and a mask where possible. Please don't be concerned, this product is safe if used in a safe careful manner, we always advise best safe working practice.

Do we need to treat the patio or just the contaminated patches?

You definitely need to treat the whole patio area, the reason being is even though Black Spots are only showing in isolate areas. The patio will have areas that are not showing but germinating lichen and these will show Black Spots in the future. If you only treat the areas which are showing Black Spots then within a few months the untreated areas will also start to show new Black Spot growth. Always treat the whole area, this will guarantee total removal of existing Black Spot and will neutralise any germinating lichen.

Does this product really work?

We get daily phone calls from customers asking us if this product really does work and will definitely remove the Black Spot on their patio? The simple answer is YES! this product will remove 100% of the Black Spot if enough chemical is applied to the surface and left to dwell long enough to turn the spots WHITE before rinsing off. Always do a test patch, if you are not achieving these perfect results then please call us 01300-345898 for further advise before proceeding and using all of your chemical.

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