Fermented Rhubarb Soda

A hand pours a light pink fermented soda from a glass flip-top bottle into a tumbler filled with ice, garnished with slices of orange, lemon, and a stalk of rhubarb. More bottles of the soda are visible in the background on a light marble surface.

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Learn how to make fizzy, naturally probiotic rhubarb fermented soda using wild yeast and real ingredients like raw honey, ginger, and rhubarb syrup. A perfect spring home fermentation project that supports women’s health and gut balance.

Prep Time5

Total Time5 5

Course: Drinks, Ferments

Cuisine: Eastern European, European, Polish

Servings:

Calories: 61kcal

Equipment

Ingredients

5 stalks Rhubarb
1/2 cup Raw honey
1/2 cup Lemon juice
1/4 cup Ginger juiced or sliced
1 galon Water
1 sachet Fremenetd soda starter optional

Instructions

Fill Your Jar: In a large, clean glass jar or sterilized demijohn, add about 1–2 cups of chopped rhubarb. No need to peel—just make sure it’s fresh and not woody.
2. Add the Flavors: Stir in: A raw honey (adjust to taste), Lavender syrup, Lemon Juice, Juiced ginger or grated ginger.
3. Top with Water: Fill the jar with filtered water, leaving a bit of headspace.
4. Add Your Starter: Pour in your starter culture - this could be an active ginger bug, water kefir, fermented soda starter or sauerkraut juice. I added a fermented soda starter. But that is also optional. The soda will ferment on its own, but it will take longer. Avoid chlorinated water and metal utensils, as they can kill the beneficial wild yeast and bacteria.
5. Cover and Ferment: Cover the jar with a cloth or coffee filter and secure it with a rubber band. Let it sit at room temperature (ideally 68–75°F) out of direct sunlight.
6.Watch the Bubbles: After about 2–3 days, you should see bubbles forming - that’s carbon dioxide from the fermentation process. Taste it daily.
7. Bottle for Fizz: Once slightly tart and bubbly, strain the liquid and pour it into swing top bottles. This is your second ferment. Let it sit for another 1–2 days at room temperature to build fizz.
8. Refrigerate and Enjoy

Nutrition