Quicksilver Quickare Fuel Treatment is a complete fuel treatment that can be used in all 2- and 4-cycle gasoline engines and in all grades of gasoline, including ethanol blends. Used at every fill-up, Quickare helps prevent: fuel oxidation and breakdown, moisture and corrosion, gum and varnish buildup, and phase separation associated with non-ethanol fuel. Cleans existing varnish and gum deposits from fuel lines, tanks, carburetors and injectors, intake valves, and spark plugs. Ideal in cars, trucks, boats ATVs, motorcycles, snowmobiles, and more. Just 1 bottle treats up to 120 gal. of fuel. Helps prevents common fuel system problems] Works with all 2- and 4-cycle gasoline engines Use in all grades of gasoline, including ethanol blends Maximizes engine performance 1 bottle treats up to 120 gal. of fuel Ideal in cars, trucks, boats ATVs, motorcycles, snowmobiles, and more Helps control corrosion, gum and varnish buildup, and phase separation