GK Black Spot Remover is a professional-grade outdoor cleaner. Ready to use it eliminates all traces of Black and White Spot lichens and other staining from all natural stone, porcelain and masonry. These lichen stains are notorious for being tough to deal with via other, biocidal, treatments.

GK Black Spot Remover is unique in allowing extended dwell times to affect an “as new” restoration. Removes green algae and moulds so no more slippery paths.

Works on  Patios, Paving, Stone, Indian Sandstone, Drives, Paths, Concrete, Bricks & rendered surfaces. Huge coverage, one five-litre bottle of our powerful GK Black Spot Remover can treat up to 40 square meters.