Patio Black Spot Preventer for All Stone Types Controls and Prevents Reinfestation After Removal Suitable Terraces Pathways Removes Green Red Algae 2.5 L

KEEPS YOUR PATIO CLEAN FOR LONGER: Patio Black Spot Preventer is an annual treatment that stops black spots and staining from coming back after your patio has been cleaned. Apply it once a year to keep your stone looking freshly restored CLEARS GREEN ALGAE IN DAYS: As well as preventing regrowth, this algae remover clears green and red algae staining within 3 to 5 days of treatment. It also helps keep slippery areas under control through the wetter months SPRAY AND LEAVE, NO RINSING: Dilute 1 part Preventer to 3 parts water, spray it onto a dry surface and simply let it dry. There's no scrubbing or pressure washing, so looking after your patio takes minutes FOR ALL STONE TYPES: Suitable for natural stone, concrete paving slabs, porcelain, resin, tarmac and render. It can also be used on new stonework within six months of installation GOES FURTHER, SAFE FOR PETS: One 2.5 litre bottle makes enough to treat up to 50m². It is safe to use around plants and grass, and pets can walk on the area as soon as it has dried, usually within 30 minutes