Restore the color of patios and paths with Patio Black Spot Remover. Remove all organic staining. Staining caused by algae, lichen, black spots and white spots. Results within 15 minutes of application. For use on all types of Natural stone, Indian sandstone, york stone, limestone and other concrete pre-cast patio slabs. Great results on Bluestone and Cambridge stone.
Video of Patio Black Spot Remover on patio
DIY Instructional Video
