Starbrite Hull Cleaner

32 ounces, hull cleaner, does not contain harmful acids, safe & easy to use, quickly removes stains from water line, excellent for use on fiberglass, metal & painted surfaces, cleans scum lines & stains on boat hulls easily & effortlessly, safe for use on fiberglass & painted surfaces, instantly removes stains from grassy marine growth, rust, scum line, fish blood etc, no rubbing or scrubbing.