How long does it take for apple juice to ferment?


Quick Answer

Apple juice begins to ferment between 12 hours after production and a few days, if kept in a sterile container in sufficiently warm weather. The fermentation process continues for between seven days and a few months, depending on the temperature of the surroundings.

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Full Answer

Apple juice is often allowed to ferment to produce hard cider or vinegar. The fermentation process of apple juice can be measured with a hydrometer. As the fermentation process continues, a layer of carbon dioxide forms over the liquid and protects it from spoilage. The greater amount of air exposed to the juice, the faster the fermentation process transpires.

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