Strongly recommended for E-10 fuels, this alcohol-free formula helps prevent fuel oxidation and phase separation from moist, rich air. When used continuously, it keeps fuel fresh, potent and free from gum and varnish for up to one year of storage. Its metal filmers, provide extensive protection for steel and aluminium components. Mix Ratio: Operational Use – Mix at 378:1 (2.65ml per litre) Storage Over 2 Months – Mix at 125:1 (8ml per litre)