Best Fuel Stabilizer: Reviewed and Ranked

Fuel stabilizer is what keeps gas from turning into varnish in tanks that sit — lawn mowers in January, the convertible from October to April, the boat between trips. Ethanol pulls moisture out of the air and modern pump gas starts breaking down in as little as 30 days; stabilizer extends that window to a year or two. Dose the tank, run the engine a few minutes so treated fuel reaches the carb or injectors, then park it. Cheaper than rebuilding a gummed-up carburetor next spring.

Fuel Stabilizer

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Top brands making fuel stabilizer