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Easy Homemade Kombucha First Fermentation Guide for Perfect Results

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This guide breaks down the first fermentation of homemade kombucha, helping you brew a tangy, fizzy probiotic drink with simple ingredients and minimal fuss.

Ingredients

Scale
  • 1 gallon (3.8 liters) filtered or non-chlorinated water
  • 68 black tea bags or 2 tablespoons loose leaf black tea (green tea can be substituted)
  • 1 cup (200 grams) granulated white sugar
  • 1 healthy SCOBY (Symbiotic Culture Of Bacteria and Yeast)
  • 2 cups (475 ml) unpasteurized, unflavored starter kombucha

Instructions

  1. Bring 1 gallon (3.8 liters) of filtered water to a rolling boil (about 10 minutes).
  2. Remove from heat and steep 6-8 black tea bags or 2 tablespoons loose leaf tea for 10-15 minutes until strong and dark.
  3. Remove tea bags or strain loose leaves, then stir in 1 cup (200 grams) granulated white sugar until fully dissolved.
  4. Let the sweet tea cool to room temperature (70-75°F / 21-24°C), which takes about 1-2 hours.
  5. Pour the cooled sweet tea into a 1-gallon glass fermentation jar.
  6. Add 2 cups (475 ml) of starter tea and gently place the SCOBY on top.
  7. Cover the jar with a coffee filter or clean cloth and secure with a rubber band.
  8. Place the jar in a warm, dark spot with good airflow (70-85°F / 21-29°C) and ferment for 7-10 days, tasting from day 7 for desired balance.
  9. Check for readiness when kombucha is pleasantly tart with bubbles and a new SCOBY layer forms. Discard if mold appears.

Notes

Avoid using flavored or herbal teas during the first fermentation as they can disrupt SCOBY growth. Maintain fermentation temperature between 70-85°F for best results. Taste starting day 7 to avoid over-fermentation. Discard batch if mold appears. Use only granulated white sugar during first fermentation. Keep equipment and hands clean to prevent contamination.

Nutrition

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