STA-BIL E10 Ethanol & Fuel Storage Stabilizer is a fuel additive that protects against fuel system against the harmful corrosion effects of E10 corrosion & keeps fuel fresh for up to 24 months and ensures quick, easy starts after periods of storage. Use STA-BIL Storage in any petrol-powered vehicle or equipment you plan to store for 30-days or longer. STA-BIL is perfect for collector cars, stored vehicles, classic motorcycles, stored motorcycles, generators, lawn mowers, snow blowers, etc. Designed for all petrol engines, STA-BIL Fuel Stabilizer eliminates the need to drain fuel before storage in order to protect your engine from the gum, varnish, rust, and corrosion that can afflict engines after E10 fuel is left in the tank & has broken down. It also prolongs the life of an engine by preventing the formation of water from E10 fuels in petrol tanks and cleanses carburettors and fuel injectors. The solution works safely and effectively in all petrol blends, including ethanol-blended fuel up to E85. This includes the new UK government standard E10 petrol. Perfect for vehicles that aren’t used on a daily basis! Fuel left in the tanks of a stored vehicle can begin to break down in as little as 30-60 days causing gum, varnish and corrosion to build up in the fuel lines and engine. One traditional solution to this problem is to drain the tank before storage, but this is time-consuming and messy. It can also be counter productive since it is very difficult to get all of the fuel out of a tank and leaving the walls of your fuel tank exposed during storage can invite corrosion in the presence of moisture, especially in fuels containing ethanol. USAGE DIRECTIONS: 30ml treats up to 9.5L of fuel. Use STA-BIL only with fresh fuel, and keep petrol tank 95% full to avoid condensation build up in tank during storage. Run the engine for 5 minutes after adding product to treat entire fuel system. Product does not contain alcohol.