A stuck fermentation is when the yeast stop fermenting early, leaving the final gravity reached considerably above the expected final gravity. Can be caused by temperature swings, poor yeast condition or using a strain with insufficient alcohol tolerance.

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Think my fermentation is stuck

I brewed my 5th homebrew this Saturday, an all-grain American stout. By Sunday I had very minimal bubbling. Monday there was a bit more but far less than my previous batches. Today there are none. ...