Total control and instant removal of soap scum, scale, stains, rust, corrosion, discolorations and hard water deposits. A scientifically improved clinging phosphoric acid based cleaner and descaler that instantly produces amazing results on showers, tubs, sinks, toilets, urinals, fiberglass, tile, spas, chrome, glass and other hard surfaces. Heavy viscosity for longer vertical clinging time and deeper penetration. Non-abrasive. Leaves the surface scratch free and sparkling clean.