Aquaease ACLF #3 is an acid cleaner and deoxidizer foraluminum, copper alloys, steel, and stainless steel surfaces. It contains a blend of inorganic acids, surfactants and solvents to remove heavy soils quickly and effectively. It may also be used to descale steel surfaces. Aquaease ACLF #3 is extremely free rinsing and may be used in soak or spray applications. It is safe when used as directed. All surfactants used in Aquaease ACLF #3 are biodegradable.