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I frequently use fuel stabilizer in my lawn tractors when storing them over winter, and have found it actually fairly effective. I have also remarked that I am able to store gas much longer and have it usable in string trimmers, lawn mowers, etc. if I have stored it with a fuel stabilizer in it.

However, I fail to see how fuel stabilizer actually works. I understand that it prevents moisture content increases, and prevents the evaporation of the volatile components of gas? Is this the case, and if so, how does that actually work?

tlhIngan
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anonymous2
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1 Answers1

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The fuel stabilizer actually separates from the gasoline after you let it sit for a while and forms a film on top separating the air from the gas, preventing the gas from oxidizing and picking up moisture from the air.

Joe
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