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Food Safety

Botulism, acidity, spoilage signs, and the rules that keep home preserving safe.

A white film of kahm yeast on sauerkraut brine in a stoneware crock
Food Safety No. 04

Kahm Yeast vs Mold: How to Tell (and What to Do)

Kahm yeast vs mold on your ferment: a side-by-side table of look, smell, and texture, when skimming is fine, when to toss the batch, and how to prevent both.

Sep 2026 Read entry