DIY Gel Fuel from Eggshells, Vinegar and Alcohol

Week of 2026-11-09

The little cans of gel fuel that keep food warm on a buffet line work on a simple trick: a salt that turns liquid alcohol into a soft, scoopable gel. You can…

Difficulty Easy to moderate · Time About 1 hour of hands-on work, plus drying time (a few hours on low heat, or a day or more in the sun) · Cost Under $10 (less if you already have vinegar, alcohol and a clean metal can)

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