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How to Make Water Kefir Soda (Recipe)

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How to make healthy probiotic water kefir natural soda
Wellness Mama » Blog » Recipes » How to Make Water Kefir Soda (Recipe)

It’s a probiotic… it’s a carbonated drink… it’s water kefir!

I started making this as part of my mission to get more probiotics in our diet and it has worked like a charm! The kids love it and ask for it each morning.

Water Kefir Culture

You will need one unusual ingredient for this recipe: water kefir cultures (also called water kefir grains). They aren’t really grains, but are a symbiotic colony of beneficial bacteria that create probiotics and enzymes during the process of breaking down natural sugar.

I got my water kefir grains from this family-owned company. You’ll also need…

Equipment Needed

  • Glass jar (1 quart or half gallon)
  • Wooden spoon for stirring (avoid metal)
  • Towel, cheesecloth, or coffee filter to cover jar
  • Rubber band
How to make healthy probiotic water kefir natural soda

How to Make Water Kefir Soda (Recipe)

A healthy probiotic-rich drink that you can make quickly and easily at home for pennies.
Prep Time 5 minutes
Total Time 5 minutes
Author Katie Wells

Servings

4 +

Ingredients

Instructions

  • In a half gallon size glass jar, dissolve the sugar in a small amount of hot water. If you plan on making the full half gallon you will need ½ cup of sugar. If you are only filling the jar halfway then you only need ¼ cup of sugar. 
  • When the sugar is dissolved, fill the rest of the jar with cool filtered water and make sure the water is not warm. It must be at room temperature!
  • Add the hydrated water kefir grains.
  • Cover with a towel, cheesecloth, or coffee filter and rubber band to keep out insects and small children.
  • Leave on the counter (preferably at 70-75°F) for 24-48 hours.
  • After 48 hours, strain the water kefir grains through a bamboo or non-metal mesh strainer pouring the liquid into another container. I use a half gallon jar for the first process then strain into two quart size jars.
  • Restart the process by dissolving more sugar in water, adding cool water, and adding the same kefir grains. 
  • To make the water kefir carbonated, pour a couple ounces of fruit juice such as grape, pomegranate, apple, or cherry into the water kefir you just strained. I don’t recommend citrus for this part, as it makes stringy yeast-like things that are not tasty!
  • Once you’ve added the juice, cover the jars tightly with an airtight lid and leave on the counter n additional 1-3 days before drinking or refrigerating.
  • Repeat the process!

Notes

The longer you let your kefir ferment, the more sugar ferments out. So if you’re limiting carbs, I recommend fermenting for the full 48 hours. Don’t leave it longer than that though or it can starve the grains, which need sugar to live!

Like this recipe? Check out my new cookbook, or get all my recipes (over 500!) in a personalized weekly meal planner here!

My Favorite Kefir Variations

  • After the first fermentation, cap the water kefir without adding any juice and leave on the counter. After two days, put in refrigerator and add vanilla extract before drinking — tastes like cream soda!
  • Add lemon juice and drink right after the first fermentation — tastes like lemonade!
  • Do the second fermentation with grape, apple, cherry, or pomegranate for a fizzy fruit flavored soda.
  • Add raisins or prune juice for the second fermentation — tastes like Dr. Pepper.
  • Make a grape or berry flavored second fermentation and mix with iced herbal tea for a carbonated fruity iced tea drink.
  • Add pineapple juice after the first fermentation, but drink right away — don’t allow to ferment or it gets slimy!

Water Kefir Recipe Video Tutorial

This video that explains this in more detail and gives step by step instructions. You can also check out Cultures for Health to find the supplies to make water kefir soda and other great fermented probiotic-rich foods and drinks!

Have you ever made water kefir? What’s your favorite flavor?

Water Kefir is a naturally fizzy fermented drink that is full of probiotics and enzymes for a delicious and healthy drink!

Katie Wells Avatar

About Katie Wells

Katie Wells, CTNC, MCHC, Founder of Wellness Mama and Co-founder of Wellnesse, has a background in research, journalism, and nutrition. As a mom of six, she turned to research and took health into her own hands to find answers to her health problems. WellnessMama.com is the culmination of her thousands of hours of research and all posts are medically reviewed and verified by the Wellness Mama research team. Katie is also the author of the bestselling books The Wellness Mama Cookbook and The Wellness Mama 5-Step Lifestyle Detox.

Comments

337 responses to “How to Make Water Kefir Soda (Recipe)”

  1. Michelle C Avatar
    Michelle C

    Hi Katie! Your site has been such a blessing to our family over the last few years. Thank you!!!!

    Question about the alcohol content in water kefir. I’ve been making it for years now but just realized it is actually producing a small amount of alcohol as it sits (I guess due to the yeast?). I was wondering if you were aware of that and if you’d still be fine giving your kids some and drinking it during pregnancy? My husband said I should stop drinking it now (I am pregnant) and my kids could drink 8 oz (plus) a day because they love it so much.

    Thanks. – Michelle

  2. sara Avatar

    5 stars
    this is a great explanation *I love your website* but I have never found a good answer to this question. I need to avoid yeast as I have candida issues. Is their leftover yeast in the water kefir? Is it “bad” yeast or actually helpful yeast? Thank you so much for this great website!

  3. Petra Avatar

    5 stars
    HELP, my Kefir is turning into syrup!

    I have been making Kefir water for 1.5 years now and my initial batch lasted me a year. Since this summer I have had to buy 2 new starter batches, because I am running into a problem I don’t seem to be able to fix:
    Syrupy Kefir!
    I have not changed anything, use filtered water from my fridge filter, (we also have a house filter, our ph is 6.4 with 0 alkalinity when it comes out of the fridge double filtered), I have not changed the sugar, but after the syrup thickness started went from organic brown to white–thinking it may have too high of a mineral concentration) and I always use 1/2 organic lemon in my first brew.

    I have rested my grains for 2 weeks twice already, cleaned them thoroughly and when I restart a brew, the first one is “ok”… but the next ones get to be thicker and thicker…

    The Kefir itself looks great, some nice thick clusters, the color has changed from brown to white now, due to the white sugar and I think the lemon “cleans” them.

    My guess is that my water is too alkaline, has too many minerals, though we filter it and always have. (maybe the water company changed suppliers since we are in a drought?) I am willing to change to buying water at the store, if that will solve my problem, but don’t really know which kind to buy. Arrowhead spring water has the highest alkalinity and pH, so I doubt I can use that gallon I bought…
    HELP!
    Thanks much
    Petra

  4. Mike Winfrey Avatar
    Mike Winfrey

    I have 2 successful batches of water kefir under my belt using brown sugar and molasses. I don’t like molasses and really don’t want to use brown sugar either. So, I started a batch using just turbinado sugar and I’m not getting any bubbles at all. What’s the deal?

  5. gen Avatar

    Hi,
    Just found someone to get some grains of want to get more fermented foods into my diet to cure tooth decay. Just concerned about using sugar, while trying to remineralize teeth. Would coconut water kefir be better? In the book healing tooth decay it is recommended to keep away from kombucha would this be similar. Thanks

  6. Pearl Avatar

    Help! I dropped crushed raspberries in my jar of water kefir and then realised I had not strained the grains out. I’ve tried to separate them but I can see raspberry seeds amongst the grains. I will try to pick them out, one by one, the next time I strain but have I ruined my grains?

      1. Francisco Avatar
        Francisco

        Does that mean that honey kills ALL bacteria? or just the pro-biotic bacteria?
        And does it mean that you cannot have kefir before having honey and the other way around? Do I need to wait a few days in between?
        Thanks, and keep up the good job! 🙂

        1. Alison Philp Avatar
          Alison Philp

          I would be really interested to know more about the effects of using honey with probiotics. I am hoping to start making water kefir here in Portugal, but many of the products mentioned in the posts are not available, and one of the few unadulterated products we have is natural honey, which I wouldn’t want to give up.

  7. Patricia Bluestone Avatar
    Patricia Bluestone

    Do you know the carbohydrate count on a cup of water kefer? Is it low carb, or can it be made low carb?

  8. Julie Avatar

    Help!! I ran out of bottled spring water last night, so I boiled tap water for 20 minutes. While waiting for it to cool down, I forgot about, until this morning!! That means my grains were set in my plastic mesh strainer overnight. Is there any way of salvaging them??

  9. Kayti Avatar

    Hi Katie! I received my kefir grains in the mail from Poseymom, the link that you provided above and they came looking wet and with a “gel like” texture. Is that normal when you first receive them? There is no contact information on the poseymom website. Im sorry to bother you about this. I just need to know if I can start making my first batch exactly like the video shows or is there a different step I need to take first since they are not dry crystal at all. Thank you. Any feedback will be greatly appreciated.

    1. Michele Avatar

      Hi Kayti,

      I also purchased my kefir grains thru Poseymom and they came the same way. Just rinse them off and follow the instructions provided in the shipment. They work great and within a few weeks you’ll have tons of grains. They are great just the way they arrived!

  10. Ashley Avatar

    I’m sorry if you’ve answered this question before but what if I didn’t want to make another batch of water Kiefer right away? Could I let the Kiefer grains dry out and use them again later?

    Thanks!

  11. Kayti Avatar

    Hi! This will be my first time making water kefir and Im very excited! Just bought the kefir grains. One question- when you say “the 2nd fermentation” is needed to make it carbonated..what does that mean? How do I do a 2nd fermentation? Am I using the first original batch? This might seem like a silly question. Katie? Anyone?

    1. Andrea Avatar

      The 2nd fermentation is after you’ve strained the grains out and added any flavour and with a lid 🙂

  12. thuy Avatar

    I have so many kefir grains so I think that I can take some risks and experiment with them. Can I add the grains directly to store bought bottled lemonade, and not do the 1F?

  13. michele Avatar

    Hi, thanks for the great instruction but I have a few questions that I feel weren’t answered. I read thru a lot of the comments but there are so many I could have missed them.
    1) You mentioned that the grains multiply, do they actually reproduce? Do you eventually get a mason jar full of them?
    2) Can you eat the grains if you end up with too many?
    3) How is this Kefer water different from Kombucha?
    4) You mentioned that the sugar water is essentially turned into fructose. There is a lot of information suggesting that your daily intake of fructose stay low.
    5) How many times can the grains be reused? Do they eventually stop producing the desired results?
    Sorry for the excessive questions, I appreciate your consideration.
    Michele

    1. Katie - Wellness Mama Avatar

      1. Yes, depending on temperature and other factors.
      2. I’ve not tried. I just pass them on to friends so they can make it as well
      3. This is higher in probiotics
      4. The kefir feeds on the fructose and it is turned in to probiotics so the fructose is not left in the finished product
      5. Indefinitely as long as you keep them heealthy

  14. Elizabeth Avatar
    Elizabeth

    Thanks for the easy to understand article! I was wondering, is it possible to just add more sugar after the first ferment(in the original jar, with the grains)? Instead of pouring out the water and straining the grains to drink or do a second ferment? We can’t drink enough of it yet(we’re starting out drinking just a couple ounces a day since our bodies aren’t used to it yet), and I hate wasting all that spring water.

  15. Lindsay Avatar

    Another person with questions about water kefir. I just made my first batch today. It still is sitting on my counter, but as I was looking at it, I noticed a bug in the kefir! Yuck. I placed a coffee filter over the top with a tight elastic band to prevent this from happening. Are my kefir grains bad now?

    Also, I purchased these grains from a local natural food store. They came in a plastic bag that I presume were grown by the owners of the store. When I opened the bag, it smelled of apple cider vinegar. I read on another site that storing in apple cider vinegar is actually not a good idea, but its best to store them in white vinegar since it has antibacterial properties. Is this the reason that I found a bug or did it just creep through my jar’s defenses?

    Any help would be greatly appreciated.

  16. Vicky Avatar

    Hi,

    I am kind of new to kefir. I have been making it on and off for the last 2 months. I finally got the stuff to get bubbly (though only with grape juice, my lemon is ALWAYS flat) and I notice that when I drink it, I burp an egg flavor or sulfur taste, (sorry to be gross) — the finished product actually bubbles a lot, isn’t too alcohol-y — it tastes good, and doesn’t make me feel sick. But I can’t find anything on the web about this, and I don’t know if it’s me, normal, the grains etc. ?? It only happens while I am actually drinking it (about 3-4 oz. a day) and after I drink it the belching, and gross flavor goes away. I don’t think this is normal but don’t know how to fix it. Please help!!! Thanks

  17. Amber Avatar

    Hello – I have been making water kefir for about two months now and I have had nothing but success until my last two batches. They lost fermentation after I put them in the refrigerator after the second fermentation. The first one I had used blueberries and attributed it to that but the second one I used lime juice as I typically do and the carbonation was gone the next day. My other batches have been super fizzy and remained fizzy until the last drop. I have not changed the way I prepare both the first and second ferments not my storage vessels. I am stumped. Any insight?

  18. Amber Avatar

    Hello- I know this post is dated but I am hoping you can help me. I have been brewing WK for just about two months. I have had nothing but success until now. The last two batches are great until I move them to the fridge after the second ferment. It’s all fizzy but after moving to the fridge it loses all the fizz and just doesn’t taste the same. I typically stick with lime juice in my second ferment because it’s like limeade but now it def does not taste the same. I am not doing anything different than I was before so I am stumped. Any help would be greatly appreciated.

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