Re: water kefir??
My favorite way is to add a tart juice to it after it ferments. I never do a second ferment, however, as I'm wary of the alcohol content. It is quite sweet after the first ferment and not usually very fizzy. I like to add 100% cherry juice, 100% cranberry juice, or 100% pomegranate juice. Also use it to make smoothies, pancakes, etc.
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