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Prep Time1 hr 30 mins


  • 1 SCOBY disk
  • 8 cups water
  • 0.5 cup sugar
  • 4 tea bags black or green caffeinated tea
  • 1 cup store bought kombucha
  • distilled white vinegar or any food grade sanitizer
  • 1 coffee filter
  • 1 rubber band
  • 1 glass jar


  • Disinfect any tools touching the kombucha, including the glass jar, pot, and your hands. Rinse everything with a food grade sanitizer, like distilled white vinegar or Star San
  • Boil water in a clean pot and dissolve sugar into it
  • Steep the tea bags until the water cools to room temperature, which may take an hour
  • Combine the tea, kombucha, and SCOBY disk into the clean glass jar
  • Seal jar with the coffee filter and rubber band
  • Allow the kombucha to ferment for a week. However, giving it a few extra days will allow a stronger taste to develop and additional bacteria to colonize
  • Store in sealed glass bottles and refrigerate