https://www.jpcorry.com/jp-corry-products/power-blaster-algae-fungi-cleaner-5l/
Power Blaster Algae & Fungi Cleaner 5L
Description
Power Blaster Algae & Fungi Cleaner is designed to remove Algae, Fungi, Lichen, Red Discolouration and Slimes from AstroTurf, Concrete Kerbs, Decking, Fibreglass Boats, Footpaths, Greenhouses, Headstone, Pottery, PVC, Slate Roofs, Tile Roofs, Tarmacadam, Timber and Walls.