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SCOBY for kombucha in jar
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SCOBY

Creating your own little symbiotic culture of bacteria and yeast (SCOBY) for kombucha making is as simple as mixing cold, sweet tea with a bottle of unpasteurized kombucha from the store.
Keyword Fermentation, kombucha
Prep Time 2 minutes
Cook Time 10 minutes
Culture 14 days

Equipment

  • 1L jar (wide mouth mason jars are great)

Ingredients

  • 1 teabag
  • 2 tbsp sugar
  • 250 mL water
  • ~473 mL unpasteurized kombucha 16 oz. See note

Instructions

  • Mix the sugar with half the water. Bring to a slight simmer and wait for the sugar to dissolve.
  • Turn off the heat and add the teabag. Let sit for 10 min.
  • Discard the teabag and pour the tea into a 1 L jar.
  • Pour in the rest of the water (this is just to help the tea cool faster). Once the tea reaches room temperature, pour in the kombucha.
  • Cover the jar with something that allows air exchange but prevents anything from falling in, such as a towel, coffee filter, cheesecloth... Secure with a rubber band
  • Let sit in a dark place for 7-14 days.
    SCOBY should start forming after 24-48 h. You can take a peek daily and see the SCOBY take form and grow but it's not necessary.

Notes

Unpasteurized kombucha: the volume listed here, 475 mL, is the volume of a small bottle here in Canada. Other similar volumes are most likely perfectly fine.
The important part is that the kombucha contains live yeast and bacteria, which they usually do.