Destroys hard water stains in seconds. Removes: lime, calcium, rust. Use on: Tiles, Glass, Showers, Tubs, Fixture, Sinks & more. Lime-A-Way cleaner easily remove lime, calcium and rust stains cause by the natural minerals in your water. It effectively cleans the toughest hard water build-up so that surfaces stay cleaner for longer. Use On: Sink & fixtures, stainless steel, glazed porcelain & ceramic tiles, tub & tile, laminated plastic, shower & glass, linoleum, vinyl and more. Also try the convenient toggle bottle and Lime-A-Way toilet bowl cleaner for tough hard water stains in the toilet. Contains no phosphorus.