Pro Kleen Patio Cleaner Simply Spray & Walk Away Concentrate Green Mould and Algae Killer Remover 20 Litres

✓ SUPER CONCENTRATE: The most powerful and concentrated green mould & algae remover on the market. One 5L bottle makes 25L of solution. Once treated results will show in 2-3 days. ✓ AMAZING DILUTION RATE: Our super concentrated formula means you only need 1L of solution per 4L of water. Apply in dry conditions and avoid applying when rain is forecast within 8 hours. In summer apply late afternoon / early evening (when sunlight is less intense). TIP: The less dilution the quicker the results. ✓ SUITABLE FOR ALL HARD SURFACES: Perfect for use on patios, decking, fencing, paths, driveways, roofs, sheds, greenhouses, garden statues, terracotta pots, UPVC windows, boats, caravans, motor homes and ALL outdoor hard surfaces affected by green mould and algae! ✓ PREVENTS REGROWTH: Penetrates your outdoor surfaces creating an invisible barrier which will help to prevent re-growth for up to 6 MONTHS! ✓ 100% SAFE: Biodegradable. pH8. Non-caustic, no acid, no bleach and is totally safe for use around children & pets once the area is dried.