Sea Foam (299) MP16CA SEA FOAM MARINE PRO Professional Grade Fuel Treatment, 473mL Bottle. Adds high-temp lubricity to fuel, working to help upper engine parts resist long-term wear.

Add regularly to your marine engine fuel tank. Safe & easy to use in all 2- & 4-stroke gasoline marine engines, inboard & outboard. Also great for all types of personal watercraft (PWC). When added to marine engine fuel, Marine PRO works to clean & lubricate your entire fuel system. For regular fuel system maintenance, add 1 oz. per 1.5 gallons of gasoline. 1 can treats up to 30 gallons. For cleaning, use 2 or more oz. per gallon – the more you add to fuel, the better it cleans! For stabilizing fuel, add 1 oz. per gallon. Add to every tank to help maintain maximum horsepower & performance. For cleaning, add to a low or partial tank of fuel to increase concentration. For stabilizing fuel for seasonal storage, best to add when fuel is fresh.