Brewing Your Own Kombucha
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.
For the part of you with thirty open tabs that never became anything.
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.
Where Brewing Your Own Kombucha takes you
Transform simple sweet tea into a fizzy, probiotic powerhouse. Learn to manage a living culture and craft custom flavors right in your kitchen.
- 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.
You pick the voice
Brewing Your Own Kombucha is taught in the 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.
More Food & Drink on Tomo
Beyond the Label: Mastering Wine
Move past the basics and learn to decode complex flavors, pair like a pro, and navigate any wine list with confidence. Discover the hidden factors that make a great bottle stand out from the rest.
Mastering Your Morning Cup
Stop settling for bitter coffee and start brewing like a pro. Learn to fix your flavor, master the Moka Pot, and unlock the science behind the world's favorite bean.
How to Taste Coffee
Move beyond the caffeine kick and learn to identify the complex notes of chocolate, fruit, and spice in your morning cup.
Moka Pot Mastery: Beyond the Bitter Brew
Transform your stovetop coffee from bitter and burnt to rich and balanced by mastering thermal control and professional maintenance.
Potato Products: From Field to Fryer
Go beyond the basic spud to master the science, selection, and preparation of every potato product from gourmet gnocchi to industrial crisps.
The Home Barista's Essentials
Transform your kitchen into a café by mastering the art of the perfect espresso shot and silky milk textures. Learn to build the world's most iconic coffee drinks with confidence and precision.
Start Brewing Your Own Kombucha today.
Download Tomo, search Brewing Your Own Kombucha, and play your first lesson in under a minute.