Patio cleaning jet washing - Lichen (black spots) removal - Killing lichen with sodium hypochlorite
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.
Видео Patio cleaning jet washing - Lichen (black spots) removal - Killing lichen with sodium hypochlorite канала Dirty Drive-Away
Видео Patio cleaning jet washing - Lichen (black spots) removal - Killing lichen with sodium hypochlorite канала Dirty Drive-Away
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