Fermentation Troubleshooting

Find solutions for common fermentation problems.

Kombucha Issues

Flat kombucha is one of the most common issues brewers face. Learn why your kombucha lacks fizz and how to fix it.

A white film on your sauerkraut can be alarming, but it is usually harmless kahm yeast. Learn to identify it and what to do.

Over-fermented kimchi becomes very sour. Learn what causes it and creative ways to use sour kimchi.

Healthy kefir grains should slowly multiply over time. If yours are not growing, here is how to help them thrive.

White spots or patches on aging miso are common and usually harmless. Learn what causes them and whether your miso is still good.

Soft pickles are the most common fermentation problem. Learn what causes mushy pickles and how to make them crunchy.

Hollow pickles have empty centers. Learn what causes this common issue and how to avoid it.

If your hot sauce mash is not bubbling, here is how to get fermentation started.

Surface mold on fermenting hot sauce is concerning. Learn how to identify it and when to discard.

We're constantly adding new troubleshooting guides. Let us know what problem you're experiencing.