Grout cleaner; breaks down the toughest grout stains caused by mold, mildew, soap scum and hard waterTile cleaner; removes dirt build up and stainsCleans mold; removes mold and mildew stains from your grout and tileWorks on dirt buildup, mold stains, mildew stains, soap scum and hard water stainsSafe for use; on grout and ceramic/porcelain