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. Flush marine engines, cooling systems and heat exchanges. Cleans & Protects boats, PWC's, trailers, gear, fishing tackle, cars, RV's, trucks, tools, motorcycles, ATV's, bicycles, patio furniture & more. Mixer attaches to garden hose. Mixer included.