WHY BUYAlgae, moss grows incredibly fast and returns even faster once you have pressure washed it off. V-TUF D-GREEN is a fast and safe way to remove algae and other green growth from patios, concrete areas, fences, sheds etc. Much safer than the conventional acid cleaners. Soft Wash technology (It deep cleans green contamination without damaging delicate substrates usually caused by pressure washing). It quickly removes most mosses and lichens. It is non-corrosive. See results 48 hours after application. It continues to clean and protect against regrowth for up to 6 monthsDeep Clean with no pressure!SUITABLE SURFACES include: Patios, Tarmac and Asphalt driveways; Fencing, Decking, Pathways, Roofing, Painted & Glazed pots, Garden Furniture and ornaments, Weatherboard, Brickwork, Masonry, York Stone, Concrete, Pebbledash, Garden sheds, Greenhouses, Conservatories, Gravestones, Gravel, PVC, Caravans, Tennis courts and other artificial play/sport surfaces