![bundle deals available - up to 30% off selected cleaners and sealers](https://universealsealants.co.uk/wp-content/uploads/2023/03/animated-text-bundle-deal-available.gif)
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 and restores faded colour
![As featured in the Sunday Express](https://universealsealants.co.uk/wp-content/uploads/2016/12/featured-in-the-sunday-express-sm-red-300x113.png)
![Customer Tip: choose the right black spot treatment](https://universealsealants.co.uk/wp-content/uploads/2016/12/wootip-550-nmbsnmbsp.png)
Multi-surface formulas by Universeal are designed to work both internally and externally