Journal / Skills
Skills - April 3, 2026
Fermentation Is Not Scary, Just Patient
By Daniel Yip
The thing most people get wrong about fermentation is treating it as a mystery. It is really a list of conditions: salt at a certain percent, temperature within a certain band, oxygen excluded or admitted, time. Get those four right and the bacteria you want will out-compete the bacteria you do not.
A simple sauerkraut takes 2 percent salt by weight, room temperature, and exclusion of air. That is it. You can scale it from a single cabbage to a barrel and the result will be roughly the same. The variability you taste comes from the starting cabbage, the local airborne bacteria, and the temperature day to day. None of it is unpredictable in the way a magic trick is unpredictable.
Start with a single jar of cabbage. Watch it bubble for a week. Taste it on day five, day ten, day fifteen. Once you have done it once, you will trust the process. Then comes kimchi, then miso, then sourdough. None of it is scary, just slow.
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