Presta Marine DeckSpray All-Purpose Cleaner provides boating enthusiasts with a solution to all of your hull and deck cleaning needs. DeckSpray All-Purpose Cleaner is safe to use on aluminum, fiberglass, painted surfaces, and non-skid surfaces to remove heavy soils, grease, and grime. DeckSpray is a non-caustic, phosphate-free, biodegradable cleaner making it safe to use in any marina without harm to your watercraft or the environment. Its powerful formula can be diluted up to 1 to 3 for light, general-purpose cleaning, or it can be used directly out of the bottle at full strength for heavy soil and cleaning. To learn more about Presta Marine's HydroProtek Ceramic Coating, visit: https://www.prestaproducts.com/DECKSPRAY_ALL_PURPOSE_CLEANER-details.aspx or contact your Presta representative.