A 20% phosphoric acid based formula that cleans and deodorizes sinks, tubs, showers, bowls, urinals, fountains, and fixtures. Removes lime scale build up and rust. Specially formulated with a phosphoric acid base and ultra thick detergent system to thoroughly clean and deodorize a variety of bathroom fixtures and surfaces. 20% phosphoric acid effectively cleans tough stains and mineral deposits without risk of harm to clothing, chrome surfaces, plastic or stainless steel. Recommended for regular maintenance of toilet bowls and urinals as well as basins, bathtubs, shower stalls, chrome fixtures, stainless steel/drinking fountains, tile, grout, and porcelain enamel.