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Make Your Own Water Kefir


  • Water kefir grains
  • Organic cane sugar, Sucanat, or rapadura (see sugar note below)
  • ½ gallon glass jar
  • Plastic strainer (not metal)
  • Wooden or plastic spoon for stirring (not metal)

Sugar Note: The grains will consume most of the sugar as they ferment. The longer they ferment, the more sugar they will consume.


  1. Order water kefir grains from a reputable source, such as Cultures For Health.
  2.  Rehydrate the grains and then gather your equipment/ingredients.
  3.  Dissolve ½ cup sugar in a small amount of hot water in your jar. Spring water with good mineral content is preferable instead of reverse osmosis or tap water. Then cover the dissolved sugar with enough cool water to almost fill the ½ gallon jar (leaving about 2 inches at the top). Stir with a wooden or plastic spoon.
  4. Add ½ cup of rehydrated kefir grains to the room temperature water in the jar. Cover tightly with a towel and then a rubber band to secure it. Kefir grains can multiply. A good ratio to remember is ½ cup grains to ½ gallon water to ½ cup sugar.
  5.  Let kefir culture at room temperature for 24-48 hours. The longer it sits, the less sweet it will become as the grains consume more sugar. Bubbles may appear, though not always, as it cultures. This is normal. If you prefer a sweet flavor, start with a shorter period of time (like 24 hours) the first time, then try letting the grains culture a bit longer for each new batch.
  6. Strain the finished liquid into another container using a plastic strainer once you are done culturing the grains. Cover with an airtight lid. At this point, rinse your grains thoroughly and use them to begin your next batch.
  7. Flavor your prepared water kefir with fresh fruit of choice (or just enjoy as is).


1/2 gallon

Disclaimer: All nutrition facts on Gluten Free & More are meant only as a guide and may differ depending on product brands used or ingredient substitutions. Some errors may occur, so you are encouraged to confirm the recipe’s ingredient and nutrition suitability for your own diet.
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Tags: Healthy Kefir Kim Maes Magazine Probiotics Water
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