Wynns Fuel Biocide is a powerful solution designed to eliminate and prevent micro-organisms in both petrol and diesel fuels. It effectively kills bacteria, algae, and fungi, while also preventing microbial regrowth. The biocide is soluble in hydrocarbons and residual water, and does not affect fuel quality as it is completely combustible. It works to neutralize acids that can be produced by micro-organisms, thereby preventing filter plugging. This 250ml bottle is suitable for various applications, including disinfecting fuel tanks in trucks, boats, vehicles, and stationary engines. For preventive treatment, use 25ml per 25 litres of fuel every 3000km or every third tank. For curative treatment of contaminated tanks, one 250ml bottle treats 250 litres of diesel fuel, with a recommendation to filter the fuel afterwards to remove destroyed micro-organism deposits. Always read the label and product information before use.