Restore the color of patios and paths with Patio Black Spot Remover. Remove all organic growth including algae, lichen, black spots and white fungi. Results within 15 minutes of application. For use on all types of Natural stone, Indian sandstone, york stone, lime stone and other concrete based slabs. Bluestone and Cambridge stone.
Video of Black Spot Remover on patio working
DIY Instructional Video
