Kombucha for Beginners — Brew Your First Batch

Kombucha is fermented sweet tea. A pancake-shaped culture called a SCOBY (Symbiotic Culture Of Bacteria and Yeast) eats most of the sugar and turns the tea slightly tart, lightly fizzy, and full of probiotics. It’s easier than it looks.

What you need

• A live SCOBY and starter tea. Don’t skip the starter tea — it acidifies your brew and protects it while the SCOBY gets to work. A SCOBY + starter tea is the one essential. Prefer everything in one box? Grab a kombucha brewing kit.
• A large glass jar — a half-gallon mason jar is perfect for a first batch.
• Tea and sugar. Plain black or green tea and ordinary white sugar work best. Avoid flavored or oily teas like Earl Grey for the main ferment.
• A breathable cover (tight-weave cloth) and a rubber band.

First fermentation (7–10 days)

1. Brew sweet tea. Steep 4–6 tea bags in a quart of hot water, stir in 1 cup of sugar until dissolved, then top up with cold water to make about a half gallon. Let it cool to room temperature — hot tea will kill your SCOBY.
2. Combine. Pour the cooled tea into your jar, add the SCOBY and all of its starter tea.
3. Cover. Secure the cloth over the mouth with a band. The brew needs to breathe but stay protected from bugs.
4. Wait. Keep it at room temperature, out of direct sun, for 7–10 days. Start tasting around day 7 with a straw. When it’s pleasantly tart with just a hint of sweetness, it’s done.

Second fermentation — the fizz (2–4 days)

This optional step is where kombucha gets bubbly and flavored.

1. Bottle the finished kombucha (reserve a cup of liquid and the SCOBY for your next batch). Flip-top pour lids make bottling tidy.
2. Add a splash of fruit juice or a few pieces of fresh fruit to each bottle.
3. Seal and leave at room temperature 2–4 days, then refrigerate. Burp the bottles daily — pressure builds fast.

Safety notes

• Keep everything clean, and always keep enough starter tea to acidify each batch.
• Brew in glass, never metal or questionable ceramics.
• A new baby SCOBY forming on top is normal and a good sign. Brown stringy bits are just yeast.

Once you’ve got a SCOBY going, kombucha becomes a near-free weekly habit — each batch grows the culture for the next.