Spear & Jackson Spray and Leave Concentrated Mould, Algae and Moss Remover 5 Litre by Amazon.co.uk

• One 5lt bottle makes 25lts of product Covers 100-250m2 depending on the surface

• Premium UK Manufactured Brand - Removes algae, green mould, and lichen

• Designed for use on patios, roofs, fencing, upvc windows, sheds, caravans,boats, decking and driveways

• Treated area can be used as soon as it has dried

• Helps prevent re-growth see results that last for months