There are several advantages of having a marine fuel additive. We are here to help you choose the right one for your purposes from all the best available products in market today.

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Our Top Picks:

Best Overall: Buy: Stabil Marine Fuel Additive READ REVIEW

Best For Old Gas: Buy: Sea Foam Marine Fuel Additive READ REVIEW

Best With Fuel Mileage: Buy: Lucas Oil Marine Fuel Additive READ REVIEW

Best For Snow Blowers: Buy: Star Brite Great Treatment READ REVIEW

Best For Synthetic Oil: Buy: Lucas Oil Fuel Treatment READ REVIEW

Best For Regular Gas: Buy: Stabil Fuel Additive READ REVIEW

Best For Storage: Buy: Mercury Marine Mercruiser Marine Fuel Additive READ REVIEW

Best For All Gas Engines: Buy: Star Brite Marine Fuel Additive READ REVIEW

Best For Complete Combustion: Buy: Fuel Ox Marine Fuel Additive READ REVIEW

Best Overall: Stabil Marine Fuel Additive

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We are personally inclined towards Stabil Marine Fuel Additive, It is not so pricy, but it overachieves its purpose and is outstanding in important aspects. The stabil marine fuel additive is designed for a great price, can experiment with dilution ratios and it has prevented ethanol damage. The manufacturer says: And if you have learned one thing along the way, it is this. And, it is made for the bottom line and it is perfect for specific gravity.

Above all, the stabil marine fuel additive comes with fuel tanks and it is used for leaf blower.

Most customers agree that the additive is a great source for a necessary fuel additive. And, they strongly agree that the additive has become necessary to use sta-bil in any internal combustion engine in which all the fuel will not be used within 1 month. And, they strongly agree that the additive is easy to use and figure out the amount to use. Overall, buyers found this to be one of the best additives for daily purposes.

• This has features for a very good price and it is used as a snow blower.
• This is easier and it is worth the money.
• This is great for anything not auto - related.
• This is great with great delivery and it keeps everything clean.

Best For Old Gas: Sea Foam Marine Fuel Additive

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Not everyone likes to purchase additives for their daily purpose, but the Sea Foam Marine Fuel Additive would be an anomoly. The sea foam marine fuel additive does the job and it runs smoothly. It does not have harsh detergent or abrasive chemicals that can harm your engine. Further, it works great and it makes sure.

Above all, the sea foam marine fuel additive is very happy and it started right up.

Almost all buyers agree that the additive cleans the carburetor or injectures as you run it. And, a few also found that the additive is a good fuel stabilizer for winter storage. And, a few strongly agree that the additive is good for 4cycle and 2 - cycle small engines. Therefore, customers were eager to recommend it to friends and families.

• This will clean up the old gas from the year before.
• This will work on any gasoline motor.
• This is good for 2 stroke, 4 stroke, or diesel engines.
• This is safe for synthetic and non-synthetic oils.

Best With Fuel Mileage: Lucas Oil Marine Fuel Additive

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The Lucas Oil line of additives comes in a pretty wide variety of styles, so you can definitely find one that suits your individual preferences and needs. The Lucas Oil Marine Fuel Additive runs nice and it has increased mpg. It gives your fuel system what it really needs. In addition, the additive is formulated for both gasoline and diesel engines, carbureted or fuel injected.

Lastly, the lucas oil marinefuel additive can be used in vehicles that require leaded fuel because it actually replaces the benefits of lead in gasoline without causing harmful emissions.

Most buyers opine that the additives are great in all cars and trucks. Further, a few strongly agree that the additive is to clean out the throttle body with a toothbrush and solvent. Also, they also found that the treatment only cleans the fuel injectors and lubricants the valves.

• This makes a world of difference.
• This works well with each fill up.
• This is helpful for one's car may be mostly subjective.
• This can be added to all gas/diesel engines.

Best For Snow Blowers: Star Brite Great Treatment

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The features department is where Star Brite Great Treatment truly manages to shine. The star brite great treatment is highly recommended and it has miles per gallon. Make sure this fits by entering your model number. This revolutionary fuel stabilizer utilizes enzyme technology to enhance the performance of boats, automobiles, trucks, rvs, tractors, farm equipment, generators, lawnmowers, lawn equipment, oil - burning furnaces and all other small engines.

The additive is designed for regular gas and it runs smoothly. Above all, the star brite great treatment is good for chain saws, it keeps fuel fresh and it is built for max performance.

Most customers quickly discovered that the additive is perfect for winterizing fuel tank on boat. Moreover, they also found that the additive is a great treatment for gas in vehicles, RV'S and generators. In conclusion, for almost all customers, it was the most suitable.

• This works for engine light and it is great for jet skis.
• This is best for treating ethanol gasoline.
• Star tron enzyme fuel treatment concentrate improves the combustibility of all fuel.
• This protects the fuel systems. Additionally, it is perfect for everyday daily use.

Best For Synthetic Oil: Lucas Oil Fuel Treatment

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Lucas Oil has been making great additives for years, thanks to a combination of clever design and appropriate materials. The Lucas Oil Fuel Treatment allows the engine to operate at maximum efficiency. It gives your fuel system what it really needs. And, this is clear, is highly recommended and it runs great.

The additive works fine, is great for engine light and it is good for fuel pump. Above all, the lucas oil fuel treatment is good for country of origin and it is used in autos.

Most buyers opine that the additive is also very noticeable while accelerating. And, they also found that the additive cleans everything out all at once with no problems or smoke. Further, they say that the additive works well, though it takes away the knocking. Overall, for most customers, the additive was most suitable.

• This can be used in conjunction with lucas deep clean.
• This is formulated for both gasoline and diesel engines, carbureted or fuel - injected.
• This is this one or one or both of them together.
• This has improved the responsiveness of the 3.0 liter v6.

Best For Regular Gas: Stabil Fuel Additive

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The Stabil Fuel Additive gives the top-tier additives a run for their money by offering flagship specs at a much more affordable price. The stabil fuel additive is easier and it is good for chain saws. The manufacturer says: And if you have learned one thing along the way, it is this. This additive was designed specifically to treat small engines having a little trouble running.

The additive is made for worth the money, runs better and it started right up. And, it works fine, runs well and it has drained old gas. Most importantly, the stabil fueladditive is compatible with all gasoline small engine equipment.

Most customers found that the additive does work, but it might take a while. In addition, they strongly agree that the additive is good for 2.5 gallons of run time” something like that. Further, they say that the engine treatment in this review is designed to neutralize the harm from ethanol deposited, and clean the gasoline path of the motor.

• Just pour in the tank and be on your way.
• This works with 10 gal gas.
• This can be used in engines with any number of cylinders.
• This is able to continue to run with the blade engaged.

Best For Storage: Mercury Marine Mercruiser Marine Fuel Additive

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The Mercury Marine Mercruiser Marine Fuel Additive is capable of outshining several other additives featured in this list in overall features in its price range. The mercury marine mercruiser marine fuel additive is highly recommend, is great for cylinder heads and it runs great. Make sure this fits by entering your model number. Further, this is good for chain saws and it has changed fuel filters.

The additive works great and it comes with great stuff. Also, the additive must follow instructions and it makes sure. Lastly, the mercury marine mercruiser marine fueladditive is a great item and it can be bought for good value.

Most buyers found that the additive is used to shake it doesn’t anymore. And, a few say that the additive is good for two fill ups. Further, they say that the additive can help during the winter storage. Overall, buyers found this to be one of the best additives for daily purposes.

• Use with mercury quickstor and mercury quickare.
• This is best for customer service and it starts right up.
• This is packaged in a metal container.
• Prevent engine knocking and pistons seizing up.

Best For All Gas Engines: Star Brite Marine Fuel Additive

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The Star Brite Marine Fuel Additive is satisfactory and appropriate and fits well with your daily use. Make sure this fits by entering your model number. In addition, the additive works better, helps prevent phase separation and it makes sure. In conclusion, with a 4.7 rating and more than 1448 buyers, the star brite marinefuel additive stands as the best choice.

Most buyers opine that the additive does improve mileage and helps protect the engine from ethanol. In addition, a few strongly agree that the additive can certainly be used in your car. In short, at the price, they believe that they got a steal of a deal with it.

• This will start next spring and make things run smoothly.
• Makes engines start easily, run smoothly.
• Cures and prevents ethanol fuel problems.
• This is great for all gas engines.

Best For Complete Combustion: Fuel Ox Marine Fuel Additive

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We would, of course, be remiss if we didn't mention Fuel Ox Marine Fuel Additive for daily purpose. The fuel ox marine fuel additive is designed to be soluble in any fuel and drastically improves the efficiency of the fuel systems that are treated while inhibiting common fuel related issues. These issues can cause significant damage to engines and cost you time and money. These military grade additives are highly concentrated and improve combustion and overall engine performance.

Most importantly, the fuel ox marine fuel additive makes sure and it is good for fast delivery.

Most buyers opine that the additive works in 2 or 4 stroke engines. In addition, they also found that the additive is used to mean removing and a full cleaning of the carb.

• This protects against ethanol issues, corrosion, and degraded fuel in both gas and diesel.
• This provides a more complete combustion.
• This is not your average fuel treatment.
• This can also degrade fuel and cause costly repairs and maintenance to the engine.