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. 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!