This super-powerful, concentrated formula contains no bleach and is non-acidic. It effectively removes all green mould and algae from your outdoor areas making them look brand new! It's also super easy to use, perfect for getting results with ease. Transform your garden in preparation for the sunnier months ahead with Simply Spray & Walk Away. It really is as simple as it sounds. Just refer to the dilution guidelines on the back of the bottle, mix with water and spray onto any unsightly, affected areas! Use Pro-Kleen's patio cleaner on patios, fencing, decking, driveways, outdoor furniture, roofs, UPVC windows, sheds, boats, caravans and motorhomes! It is a super versatile formula that allows you to clean your outdoor surfaces with ease. Simply mix 1 litre of Simply Spray & Walk Away with 4L of water / 1 part Simply Spray & Walk Away: 4 parts water). Spray on with a low-pressure garden sprayer or watering can. Walk away and see results in a few days! ProKleen Patio, Fencing & Decking Cleaner Concentrate 3 x 5L (Makes 75L) in Clear