Spray and Leave Concentrate 5L One Chem plus 5L Garden Sprayer kills Algae Mould
% litres makes up to 25 Litres of ready to use product. CLEANS WITH NO EFFORT: One Chem Spray And Leave Kills All Green Mould, Algae & Lichen without The Need For Scrubbing Or Pressure Washing! Simply Mix, Spray & Walk Away.