Why is my water kefir so sour? Common Causes and Fixes
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4 min read
Over-fermented kefir has a strong, sour taste and can even become too acidic. For many home brewers, a batch of water kefir that tastes more like vinegar than a refreshing probiotic soda is a common and frustrating experience. Understanding the simple science behind fermentation is the key to preventing and fixing this issue.