Starbrite Star Tron Stabilizer+ Fuel Storage Ensure your fuel quality during storage with Starbrite's Star Tron Stabilizer+ Fuel Storage. This fuel additive is not only perfect for stored boats, but can also be used in motorcycles, lawn equipment, classic cars, and more. The combination of enzymes and corrosion inhibitors ensures fuel quality for up to two years. The enzymes stabilize fuel to keep it fresh and break down contaminants such as gum, varnish, and moisture. The corrosion inhibitors provide an added layer of protection to metal surfaces, helping to fight against internal rust. Features: Prevents moisture buildup, gum, varnish, and carbon deposits; Protects internal components with premium corrosion inhibitors; Ensures fuel quality up to two years for all-weather, any-season storage; 1 oz. greats 5 gallons of gas; For all ethanol blends and non-ethanol gasoline (petrol); Sizes Available: 8 oz.; 16 oz.; Instructions: Add Star Tron Stabilizer+ to fuel prior to storing to protect against corrosion and fuel breakdown.; Remove cap and pour directly into tank.; Works in all gas engines. Not recommended for diesel fuel. ;