Grape Ginger Kefir Soda

Grape juice makes some of the best kefir soda. Make sure your grape juice contains real juice and doesn't have artificial sweeteners that are often hidden until you look at ingredients. It won't culture if there isn't enough sugar for the microbes to consume. And remember, the sugar isn't for you, it's for the microbes to consume, and you'll know they've been consumed because it will taste refreshingly tart. It's so good you're gonna make a bunch of bottles. It's super easy after the first batch and only takes a day!
Servings: 32 ounces


  • 1 packet Kefir Soda Starteror ½ cup Kefir Whey
  • 2 cups Grape JuiceMake sure to use bottled store bought juice.
  • 1 inch piece of ginger rootcut in two small pieces so it fits in the bottle
  • Water, spring or filtered with mineralslightly filtered or spring
  • 5 whole grapes, frozenoptional

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  • Add the Kefir Soda Starter packet OR kefir whey to your juice and stir till dissolved.
  • Add your grape juice and ginger to a 32-ounce bottle. Using a funnel makes it easier. (Make sure you use thick glass bottles such as Grolsch. Bottles bought at craft stores can explode.)
  • Fill the rest of the bottle with water leaving an inch of room at the top.
  • Allow it to ferment for 3-7 days or until bubbly and fizzy. If your home is 75°F or warmer it will usually take 3-4 days. Colder homes can take 5 days or longer, but you'll need to check it by popping the top and see if it's getting fizzy. It will start to bubble out the top if it does.
  • When it's done, you can pour in a glass and enjoy right away or place it in the fridge. Keep it stored in the fridge or it will continue to ferment and get overly fizzy and hard to pour. Burp daily and consume within 1-2 weeks for the best flavor and most benefit.
  • You can use ½ cup of this finished kefir soda as a starter to make a new bottle.
    Add the other ingredients and ferment again. It should only take a half to a full day to ferment. It ferments faster on subsequent batches and you can make many bottles over and over again!
  • I love to add frozen grapes to my glass before serving. It's optional but delicious and keeps it cold longer.