The Wet & Forget Mould, Lichen & Algae Remover is designed to effortlessly remove mould, lichen, algae, and moss—from surfaces like patios, fences, roofs, and decking. It is built on a bleach-free, non-toxic formula offering a comprehensive outdoor cleaning solution.

Bleach-free, non-toxic, eco-friendly: Sensitive enough for plants and animals when used as directed

Effortless “spray and forget” formula: Eliminates the need for scrubbing. “Works great at getting the green mold/mildew off the vinyl siding. Just spray it on and that’s it.” — Reddit user

Long-lasting results: Keeps the surface clean for at least 1+ year in most cases.

Large coverage with strong dilution: One 2 L bottle mixes into 12 L of solution, covering 100–300 m².

Rain-resistant: Requires a minimum of 5 hours of dry weather after application to ensure effectiveness before any rainfall.

Effective on a wide variety of surfaces: patios, roofs, fences, driveways, decking, natural stone, artificial grass, bricks, headstones, paintwork, glass houses, solar panels, tarmac, and more.

Wet & Forget Mould Lichen & Algae Remover - 2L