Refreshing Grapefruit Water Kefir


Reminiscent of commercial grapefruit-flavored sodas, this tangy beverage is perfectly refreshing. Use red grapefruit for juicing for the prettiest color and sweetest flavor.


  • 3-1/2 cups water kefir
  • Juice of 1/2 large grapefruit
  • 1 teaspoon sugar


  1. Combine water kefir with grapefruit juice and sugar in airtight bottles, leaving headspace in each one.
  2. Cap tightly and allow to culture for 2 to 5 days, or until carbonated to your liking. 
  3. Chill in refrigerator. Open carefully in case the contents of the bottles overflow.

Serve cold or over ice.







Grapefruit Water Kefir

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