About Scoby Jar

Clear guides to brewing, flavoring, bottling and troubleshooting kombucha at home.

Who this site is for

Home brewers starting out with kombucha or improving their batches.

How the guides are written

  • Answer first. Each guide leads with the direct answer, then explains the why and the how.
  • Practical numbers. Concrete values you can use, with ranges rather than false precision.
  • Connected, not repeated. Short, focused articles link to the in-depth guide for their topic, so you can go as deep as you need.
  • Dated. Every article shows when it was published.

Please note

These guides are general information. Use clean equipment and a proper starter, discard any batch with mold, and remember that kombucha contains some alcohol, more so after a second fermentation.

Where to start

browse every topic.