Quicksilver Quickare Fuel Treatment is a complete fuel treatment that can be used in all grades of gasoline, including ethanol blends. When used at every fill-up, Quickare helps prevent all of the following: 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 gallons of fuel. Size: 12 oz. Made in USA. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Motor Accessories.