STA-BIL Fuel Stabilizer: * America"s top selling fuel stabilizer * STA-BIL is recommended at every fill up in all vehicles and equipment to protect against corrosion caused by today"s Ethanol-blended fuels * Keeps stored fuel fresh for quick, easy starts year round * 1 ounce treats 2.5 gallons * For extended storage (up to 2 years) use double the recommended dosage * STA-BIL Fuel Stabilizer does not contain alcohol and may be used for up to 2 years after opening bottle