No More Black Spot Preventer

No More Black Spot Preventer

£30.00£100.00 inc. VAT

5 out of 5 based on 7 customer ratings
(7 customer reviews)

For All Stone Types

A highly effective formula to prevent the growth of black spot lichen and common algae from newly laid stone or to treat cleaned installations

Customer Tip: choose the right black spot treatment


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

Universeal No More Black Spot Preventer

For all stone types

3-6 monthsApply No More Black Spot Preventer to patios and stone surfaces that have been thoroughly cleaned with NO MORE BLACK SPOT cleaner after 3-6 months.

Usage Guidelines

Dwell Time: N/A
Applications/Coats: 1 Application (every 6-12 months)
Application Method: Sprayer / Roller / Brush
Dilution: 1:3


Download a PDF Technical Application Guide

Targeted Prevention of Black Spot Lichen Spores

Universeal No More Black Spot Preventer is an effective black spot preventative measure for new or recently cleaned pavers, patios and block paving. Apply annually to provide permanent protection.

Universeal No More Black Spot Preventer’s unique formula will prevent patio black spot infestation on new patio, paving and pathways. When used annually, it prevents regrowth of black spot lichen after treating with No More Black Spot. No More Black Spot Preventer also eliminates green and red algae growth from outdoor hard surfaces including drives, walls, roofs, patios and other decorative stonework.

Special Features

  • Kills black lichen spores before they can germinate and eliminates green & red algae
  • Application at 1:3 dilution with water
  • Safe for animals, pets & children once dry
  • Most cost-effective formula on the market – no more pressure washing required
  • Suitable for use on surfaces treated with NO MORE BLACK SPOT (apply within 3-6 months after cleaning)


  1. Prepare the area by cleaning off loose debris and ensure you have adequate personal protection, ie gloves, suitable protective eyewear, face mask & clothing.
  2. Using a pneumatic garden sprayer or water can, add one part Universeal No More Black Spot Preventer to 3 parts water (1:3).
  3. Mix well and use at a rate NOT EXCEEDING 5 square metres per litre, approximately 50sq feet area.
  4. Apply a flood coat spraying in sweeping motion across the surface.
  5. Allow to soak in and completely dry on surface – DO NOT WASH OFF. Will prevent the reappearance of lichen and algae for up to 6-12 months where another application will be necessary.

Please Note:

Do not apply Universeal No More Black Spot Preventer when the threat of rain is imminent.
Always try the product in an inconspicuous area on-site prior to use. Extra caution is required when applying near or around fish ponds or similar. If you accidentally over-spray onto delicate plant life, rinse off with clean water.


1:3 dilution – approximate coverage 100m2 per 5 litre bottle.


External Chemicals: Handling

Please note, our outdoor chemicals must always be handled with care. Upon receipt of your goods, you should open the packaging in a safe, suitable outdoor environment. Despite our best efforts with robust, layered packaging, there is always a small risk that damage or leakage could occur during transit. Our chemicals have the potential to damage sensitive surfaces if left unattended and we do not recommend that you store them indoors unless specifically indicated.


H314: Causes severe skin burns and eye damage.
P102: Keep out of reach of children.
P264: Wash hands thoroughly after handling.
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).
P405: Store locked up.

Product SDS sheet available upon request.


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Additional information

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

Bundle (No More Black Spot 5L + No More Black Spot Preventer 5L), 5 Litre, 25 Litre

Customer reviews

Rated 5 out of 5 stars
7 reviews
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3 stars 0
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1 star 0

7 reviews for No More Black Spot Preventer

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