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    Sta-Bil regular vs Sta-Bil Marine Ethanol

    We gave up on trying to winterize our 2006 Utopia 4-Tek ourselves and took it in. The guy who winterized it put 8 oz of regular Sta-bil in the tank. We normally use the Marine formula. My question is: the 8 oz treated 10 of the 35 gallons we put into the boat. Should we stick with the...