Barrett Biodegradable Ammonia-Free Chemical Bore Cleaner Cleans Copper and Carbon 16 Ounce Bottle

Biodegradable chemical cleaner free of ammonia and petroleum distillates. Not flammable nor will it irritate the skin. Cleans copper and carbon. Dissolves copper then chemically binds it to the solution to remove it from the bore. Also works to remove carbon and residue and neutralizes corrosive salts. Sixteen ounce bottle.