Master STAGES RINSE100/1 Rinse 100 Washing Compound Concentrate, Light Yellow, 1 gal Jug Compatible with all aluminum, magnesium, copper alloys, steel, and cast iron An effective machine cleaner and also a great product for general cleaning of loose tools and parts An excellent product for use in ultrasonic cleaner systems, as well as immersion washers Provides up to one week or more of in-process corrosion inhibition on ferrous parts