This product is specially deigned to removes water and helps clean fuel system. Adding this Fuel Conditioner to your fuel tank on monthly basis helps to keep injectors and carburetors clean and corrosion free. It dissolves all gum and varnish which might cause issues down the line. This product helps prevent your fuel lines from freezing. This 12 oz. bottle can treat 3-12 gallons of gasoline. Use regularly for best result.