Active and low foaming professional acid cleaning agent, suitable for removing any surface rust from the gel coat around various metal components and parts. It quickly removes yellow, brown and black stains from the waterline and the hulls of boats, restoring them to their original color(s). It applies with the same success rate on any kind of surface (polyester, metal, and even fiberglass) that requires effective cleaning. Use it on boat hulls to easily remove hard sediment and microorganisms, salt stains, smudges, soot from exhaust pipes and other 'persistent' stains. Effectively removes rust from the rims of boat trailers.
Depending on the application.