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Troubleshooting

Off Odors & Flavors: Diagnosing Smells

Not every funky aroma is bad. Learn the difference between normal sourness and dangerous smells.

Troubleshooting

Normal Aromas

  • Tangy, lactic, or slightly yeasty
  • Mild sulfur that dissipates quickly
  • Vinegar-like notes in kombucha or hot sauce

Warning Signs

  • Rotten, putrid, or sewage odors
  • Sharp chemical smells
  • Strong moldy or musty aromas

What To Do

  • Taste only if the smell is still mild
  • Remove surface film and re-check aroma after 12 hours
  • Discard if odor remains offensive or intensifies

Prevention Tips

  • Keep vegetables fully submerged
  • Maintain recommended salt levels
  • Ferment in stable temperatures
  • Clean jars and lids thoroughly

Disclaimer: This tool provides educational guidance only. When in doubt, always err on the side of caution and discard questionable ferments. We are not responsible for food safety decisions.

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