Unit count 4000.0 millilitre. Mould Lichen & Algae Remover (2+2 Litre) cleans anything with no effort. Non-caustic, Non-acidic, Contains no bleach! (No shelf life), Biodegradable PH8 (Water PH7) Just mix 1 part Wet & Forget with 5 parts water in a garden sprayer.
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