Star brite^® Ultimate Pontoon Deck Cleaner is engineered to quickly and easily clean and protect textured deck surfaces without heavy scrubbing. The special chelating agents loosen dirt, grime, and tough stains. Polymers bond to the cleaned surface to help prevent future stains and to provide a barrier against UV exposure that can cause fiberglass to become dry and weathered. Ultimate Pontoon Deck Cleaner works on all fiberglass and painted surfaces.