Cleans & protects anything exposed to salt (saltwater, salt air, road salt). Dissolves salt & leaves a protective coating to inhibit corrosion. Essential as a motor flush for marine engines in both saltwater and freshwater environments. Applications Flushes Marine Engines Cooling Systems Heat Exchanges; Cleans & Protects Boats Pwcs Trailers Gear Fishing Tackle Autos Rvs Trucks Tools Motorcycles Atvs Bicycles Patio Furniture & More!