A concentrated blend of acids and detergents, designed to remove rust, oxidation, and corrosion from any rust stained surface. It cleans and brightens aluminum, magnesium, stainless steel, copper, and chrome. This product is also designed to remove water minerals, lime carbonates, and soap scum from tile surfaces, floors, water meters, air conditioning coils, boilers, and pipes. K.V. 237 MILD ACID DETERGENT is totally biodegradable and is USDA approved.