Questions tagged [stuck-fermentation]

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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Specific Gravity and fermentation of wine

I thought it would be fun to make grape jelly wine. My specific gravity started at 1.104. After day five fermentation appeared to stop at 1.08. I increased the temperature, added lemon juice and yeast ...