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Patio Cleaning Pressure Washing - Black Spot Lichen Removal. Killing Lichen with Sodium Hypochlorite

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Dirty Drive-Away

Black spot lichen removal, is it possible? Yes it is with the right equipment. Removal of lichen (black spots) and staining on a concrete patio. Using sodium hypochlorite as a biocide to kill off heavy spores.

posted by kolesomsa