Black Diamond"s Stone & Tile Intensive Cleaner is a safe, biodegradable deep cleaning for all polished and honed natural stone & tile surfaces. Cleaning stone and cleaning tile surfaces will remove even the deepest soil from all natural stone and cast concrete - marble, granite, slate, limestone, terrazzo, river rock, sandstone, brick, grout and more. Stone and Tile cleaner leaves no soap residue and brings dirt and grime to the surface of your natural tile and stone surfaces for easy removal. This stone cleaner was formulated without harsh abrasives, alkali, acid, or petroleum solvents. Stone cleaning and tile cleaning with Black Diamond"s Intensive Stone and Tile Cleaner will make cleaning easier with every use.