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Documented ferments from every continent, in six languages. Every safety statement is tied to its source.
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Ferments documented
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Countries
6
Languages
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Shared batches
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Long-form fermentation science, written and reviewed by our editors.
Fermentation science
How kombucha's yeasts and acetic acid bacteria divide the fermentation between them, why the pellicle forms at the surface, and which species claims remain unverified.
8 min read
Fermentation science
How kvass ferments from rye bread, why its alcohol content is not a settled figure, and where it diverges from kombucha's tea-and-SCOBY route.
7 min read
Technique
Typical durations for vegetable, dairy, grain, legume and beverage ferments, why every range is wide, and what to measure instead of counting days.
8 min read