Brewing Your Own Kombucha
Transform simple sweet tea into a fizzy, probiotic powerhouse. Learn to manage a living culture and craft custom flavors right in your kitchen.
Like Duolingo, but for Brewing Your Own Kombucha. Tomo turns the whole topic into a game you play five minutes a day, until it actually sticks.
A short one: 9 levels across 2 sections, about 18 minutes end to end, roughly 4 days at five minutes a day. It moves through The First Ferment and Flavor and Maintenance. It starts from scratch.
Free forever · No credit card · iPhone & Android

Key ideas in Brewing Your Own Kombucha
- Kombucha is produced by a partnership of bacteria and yeast
- Starter liquid provides the necessary acidity to protect the brew from bad bacteria
- The culture consumes sugar from sweet tea to create the final beverage
- The liquid contains the active concentration of yeast and bacteria needed to kickstart fermentation
- SCOBY stands for Symbiotic Culture of Bacteria and Yeast
- The solid pellicle is a byproduct and less critical than the liquid 'engine'
- The fundamental components and nature of the kombucha fermentation process
- The relative importance of the SCOBY disk versus the starter liquid
- Cold temperatures cause SCOBY dormancy
- Ideal temperature range for flavor
- Fundamental components of kombucha
- High heat effects on fermentation
- Antibacterial soap risks
- Importance of starter liquid
- White vinegar as a safe sanitizer
- The goal of sanitation
You've tried the other tabs
Thirty open tabs. Four facts you actually kept.
You watched. You nodded. By Sunday it was gone.
One answer, then back to scrolling.
Eight weeks. You meant to finish. You didn't.
Tomo gives Brewing Your Own Kombucha the Duolingo treatment: levels, streaks, and quick quizzes that test what you just learned. That game loop is what the tabs above never had, so it's the one you actually finish.
Here's what playing it feels like
A real question from this course. Take your best guess.
Why do we add acidic starter liquid to a fresh jar of sweet tea?
Get it right to open this lesson and 8 more in the app.
How to learn Brewing Your Own Kombucha, step by step
Go in order. 9 short levels across 2 sections, about 18 minutes in all, five minutes a day.
- 1
The First Ferment
- Setting Up Your Living Tea
- Tasting and Troubleshooting
- 2
Flavor and Maintenance
- Bottling for Fizz and Flavor
- Keeping the Culture Alive
2 sections · 4 units · 9 levels. Built to play, not to enroll.
Questions about Brewing Your Own Kombucha
How do I learn Brewing Your Own Kombucha?
Go in order: start with The First Ferment, then Flavor and Maintenance. On Tomo that's 9 short levels, about 18 minutes in all, played five minutes a day. Start free and play the first level in under a minute.
Is there a Duolingo-style app for Brewing Your Own Kombucha?
Yes. Tomo works like Duolingo: short daily lessons, streaks and quick quizzes. Brewing Your Own Kombucha is one of its free courses, and you can type any other topic to get a course of your own.
Is the Brewing Your Own Kombucha course free?
Yes. Brewing Your Own Kombucha is playable on Tomo's free plan, which doesn't expire. No credit card, no waitlist. Download the app and start your first lesson.
How long does it take to learn Brewing Your Own Kombucha?
9 levels across 2 sections, about 18 minutes of play in total. It's built for five minutes a day, so you finish it a little at a time instead of all at once.
Do I need any background to start Brewing Your Own Kombucha?
No. It's pitched at a beginner level, so it starts where you are and builds up. If you can tap a phone, you can start.
Tomo is in ChatGPT
Tomo is also a ChatGPT plugin: the same playable courses, built and played inside your chat.
Add Tomo to ChatGPT- What to ask
- “Make me a Tomo course on black holes.” “Turn this chat into a Tomo course.”
- What you get
- Quick questions with instant feedback, hearts and stars, ready to play in about a minute.
- Where it goes
- No sign-up to start. Connect your Tomo account and your streak carries on in the app.
You pick the voice
Brewing Your Own Kombucha is taught in the Bestie style: your friend who just gets it. Want a different feel? In the app you can spin up the same topic in any of Tomo's teaching styles. Same facts, totally different vibe.
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Start Brewing Your Own Kombucha today.
Download Tomo, search Brewing Your Own Kombucha, and play your first lesson in under a minute.