Superkleen lime scale remover is a fast, versatile, effective cleaner for food service operations. Superkleen is a unique combination of synthetic detergent and inorganic acid. It rapidly penetrates and removes mineral deposits and hard water film. It cleans and brightens metals quickly and easily, saving time, work and manpower. Yet, when used as a recommended, does not chemically harm copper, iron, stainless steel, or glass.