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Water Kefir Grains in a half gallon jar with a coffee filter lid brewing homemade water kefir.

Water Kefir

Homemade water kefir is a fizzy and bubbly probiotic beverage that can be flavored countless ways. Consider it healthy homemade soda!
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Course: Beverage
Prep Time: 5 minutes
Servings: 1 /2 gallon
Calories: 40kcal
Author: Full of Days

Ingredients

Instructions

  • Bring 1 cup water to boil and add sugar. Stir to dissolve.
  • Add remaining 7 cups water and kefir grains into a clean 1/2 gallon glass jar.
  • Cover jar with a coffee filter, paper towel or loosely fitting lid. Secure coffee filter/paper towel with a rubber band.
  • Let sit at room temperature for 24-48 hours (ferments best between 68-85℉).
  • Strain water kefir through plastic funnel.
  • Refrigerate and enjoy!
  • If you'd like to second ferment the water kefir to add both flavor and carbonation, read this post for instructions.
  • Begin a fresh batch with the same grains by starting again at step 1.

Notes

  • We like using a half-gallon glass mason jar to make water kefir.
  • This plastic funnel is great for straining because it catches the kefir grains.
  • If you'd like to second ferment the water kefir to add both flavor and carbonation, read this post for instructions.
  • Lemonade just happens to be our favorite way to flavor water kefir, but we have tried many of these flavor options and most all were delicious.
  • UPDATE: My new favorite flavoring method is to toss half a frozen sliced peach into the jar before fermenting! The result tastes like a peach Italian soda! 
  • You can also double ferment water kefir (just like you would kombucha) in these Grolsh Style flip-top bottles.

Nutrition

Serving: 8oz | Calories: 40kcal | Carbohydrates: 9.9g | Sugar: 5.1g