A cost effective non bleach based exterior cleaner used to restore all those dangerous slimy green and slippery black surfaces to looking like new again. The combination of selective biodegradable surfactants acts on moss, mould, mildew, lichen and algae, working over time and reactivating for the first few rainfalls. No hosing or scrubbing just spray it on and walk away. Automatic mixing,rapid hose end technology| No hosing or scrubbing required| Can be used on a variety of surfaces including wood, paint, concrete, brick, paving, cloth, plastics and roof materials| Safe around the garden| Biodegradable surfactants| Easy to use just spray and walk away