Sta-Bil Diesel Fuel Stabilizer. Keeps fuel fresh for quick, easy starts and maximized for engine performance. Prevents sludge and sediment formation, cleans and lubricates entire fuel system, protects against corrosion with specially formulated diesel fuel STA-BILizers, reduces oxidation of diesel fuel and removes water. Designed for use with all diesel engines and all diesel fuels, including all ULSD & biodiesel blends. Recommended for use at every fill up for year-round protection. Does not contain alcohol. 32 fl. oz.

For in-season use: 1 oz. (30mL) treats up to 10 gallons (38L) of fuel. For storage: Use 1 oz. (30mL) to 5 gallons (19L). Do not overtreat.