How Much Juice to Add to Water Kefir Second Ferment for Perfect Flavor and Fizz
                                
                                
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                                    4 min read                                
                            
                                The second fermentation of water kefir can significantly increase its flavor and carbonation, with many home brewers finding that 2 to 4 ounces of fruit juice per 16-ounce bottle produces the best results. Getting the right balance of fruit and fermentable sugar is key to perfecting how much juice to add to water kefir second ferment.