WATER KEFIR EXTRAVAGANZA
Melon Seed Horchata! Pea Shoot, Mint Tea, and Yuzu! Yuzu, Beetroot and Mango Stone!
My message to you is: Have fun!
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Water Kefir grains are a magical substance (“a culture of bacteria and yeasts held in a polysaccharide biofilm matrix created by the bacteria”) that through fermentation transform liquids into beautiful, healthful “sodas” or carbonated bubblies, non (and sometimes just-barely) alcoholic drinks. There is loads written about Water Kefir on the web, many a how-to guide, including this Nourished Kitchen one that has great information even if a little complicated.
And here’s a piece on A Gardener’s Table, a really really beautiful blog. There’s even the tip in the comments to add (sterilised) eggshell (to be removed) to remineralise your grains.
The basic instruction requires two phases:
Kitchen Counter Culture 