How to Make a Ginger Bug

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Recipe Intro From littlealchemykitchen

This ginger bug is a natural fermentation starter used to make homemade sodas like ginger beer or sparkling fruit drinks. With just ginger, sugar, and water, you’ll create a bubbly, living culture that’s easy to maintain and fun to experiment with.

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  • Recipe Card
Prep time: 5mins (Fermentation time: 5 to 10 days)
Serves or Makes: About 2 cups

Recipe Card

ingredients

  • 2 tablespoons chopped fresh ginger (skin on)
  • 2 tablespoons granulated sugar
  • 2 cups water (non-chlorinated, room temperature)

ingredients

Daily Feeding (Days 2 and onward):

  • 1 tablespoon chopped fresh ginger (skin on)
  • 1 teaspoon granulated sugar

Method

Day 1:

  • Step 1

    In a clean glass jar, combine 2 tablespoons chopped ginger, 2 tablespoons sugar, and 2 cups water. Stir to dissolve the sugar. Cover the jar with a coffee filter or paper towel secured with a rubber band. Leave it at room temperature, away from direct sunlight.

Day 2:

  • Step 1

    Add 1 tablespoon chopped ginger and 1 teaspoon sugar. Stir well and re-cover the jar.

Days 3–7 (or longer):

  • Step 1

    Continue feeding the bug daily with 1 tablespoon chopped ginger and 1 teaspoon sugar. Stir after each feeding. The mixture may become cloudy and might stop bubbling for a day or two—this is normal. Keep feeding it daily until you notice consistent bubbles forming within a few hours of feeding. This can take anywhere from 5 to 10 days depending on your environment.

Once Active:

  • Step 1

    Your ginger bug is ready to use when it produces bubbles reliably and has a light, yeasty smell. At this point, you can use a portion for fermenting drinks and continue feeding the remaining culture daily, or refrigerate it and feed weekly to maintain.