Wet & Forget 5 Litre Mould, Lichen, and Algae Remover. Wet & Forget 5 Litre Mould, Lichen, and Algae Remover – Non-Caustic & Non-Acidic Cleaning Solution. Wet & Forget utilizes a unique blend of biodegradable selective surfactants that penetrate and dissolve tough stains caused by moss, mildew, lichen, and algae.
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