DSC SIZZLE High pH Tile & Grout Cleaner Sizzle is formulated with dirt fighting emulsifiers to help break down the dirt to help for easy extraction and removal. Its multi -versatile formula allows you to use in areas with ceramic tile surfaces and grout, inside or out, residential or commercial, Sizzle can be used anywhere. Its water based formula has no harsh acids so it won't scratch the grout or harm the tile.