Lichen infestations, or Black or White spot, is one of the most difficult challenges in the landscape industry. This high-performance treatment is formulated and proven to remove this unsightly and stubborn problem that regular paving cleaners and pressure washing cannot resolve. Black Spot Remover kills these spores and makes removal easy with a pressure washer. As a by-product, you'll find that your paving area will be cleaned, revived and invigorated.Easily remove the most stubborn black & white spots from your patio Features: High performance cleaner for ingrained lichen (black and white spots) and algae Also kills and controls mould and other natural contaminates Simple and safe to use on all concrete and stone Ready to use 3 litres cleans up to 15m2, 5 litres cleans up to 25m2 Specifications: Dimensions: H:26.0 x W:15.0 x D:20.0 cm Colour: Clear Guarantee:1 year Material: Liquid Model Number: 2615