K100® Marine Diesel Fuel Treatment 8 Oz Treats 62 Gallons. Using proprietary formulations of organic compounds, this premium engineered product eliminates water in your commercial vessel engines to stabilize fuel for up to two years. K100 is the only product that actually MAKES WATER BURN™ to enhance overall system performance. It wakes up your engine. Eliminates water in fuel and fuel systems. Cleans injectors and carb jets. Revitalizes old fuel. Prevents phase separation. Removes gums, carbon, and varnish. Safeguards fuel systems for winterization.