Fermentation, conditioning, storage: Problems and solutions
Troubleshooting | Fermentation upsets are reported increasingly frequently, e.g. primary fermentation becomes stuck, secondary fermentation does not proceed properly, yeast flocculates or remains in suspension. When trying to pinpoint the causes, the following statement is very frequently heard: “We did not change anything at all, but extract degradation is incomplete, we have diacetyl in the product” etc. So what’s causing these upsets?
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