K100® Marine Gas Fuel Treatment 8 Oz Treats 20 Gallons. Using proprietary formulations of organic compounds, this premium engineered product eliminates water in your boat and jet ski 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 boat. 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.