CRC Salt Terminator 32 oz. Engine Flush, Cleaner & Corrosion Inhibitor -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! 32 ounce bottle Treatment Ratio: 4 Fl oz to 1 Gal of water