Great for cleaning the entire boat. Will not remove wax. Biodegradable formula cleans dirt and stains from non-skid decks and all fiberglass surfaces. Leaves a non slippery protective coating to protect cleaned surface. Safe for use on all fiberglass, vinyl, metal and painted surfaces. Lightly brush onto deck, let sit and hose off. Leaves decks sparkling clean. Contains UV inhibitors to help protect decks from weathering.