Kombucha

Kombucha begins with sweetened tea and a mixed culture. Yeasts produce alcohol; bacteria use oxygen to turn some of that alcohol into acid. A sour taste alone does not tell you the alcohol level. University of Georgia: Homemade kombucha

Understand the stages before trying a batch, especially what changes when a drink goes into a closed bottle. Our updated article explains the practical questions.

What happens after bottling?

Fermentation can continue. Pressure and alcohol need attention as well as flavour.