French Press: The Perfect Plunge
Like Duolingo, but for French Press: The Perfect Plunge. 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 French Press: The Perfect Plunge
- A cold glass or metal carafe absorbs heat from the water instantly
- Fresh coffee contains trapped carbon dioxide that escapes when wet
- Coffee extraction requires a stable, high temperature to pull out sweetness
- Escaping gas bubbles create a barrier that prevents water from reaching the coffee
- Pre-heating ensures the water stays hot enough to brew properly
- Waiting 30 seconds lets the gas clear so the full brew can begin
- The impact of a cold carafe on brewing temperature
- The purpose of the bloom in a French press
- French press grounds naturally float and form a dry layer
- Dry grounds cannot contribute flavor to the cup
- A gentle stir breaks the surface tension and submerges all coffee for an even brew
- Forceful plunging creates turbulence that pushes fine dust past the mesh
- The weight of your hand is usually enough pressure for a clean press
- A slow descent keeps the sediment trapped at the bottom
- The correct physical technique for plunging
- Coffee continues to brew as long as it is in contact with the grounds at the bottom
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 French Press: The Perfect Plunge 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.
When you first pour water over fresh coffee grounds, what is the main gas that starts bubbling out?
Get it right to open this lesson and 8 more in the app.
Where French Press: The Perfect Plunge takes you
Master the art of immersion brewing to create a rich, full-bodied cup of coffee at home. Learn the secrets of the steep, from grind size to the final pour.
- 1
The Daily Brew
- Your First Great Cup
- Grind, Time, and Temperature
- 2
Refining the Ritual
- Texture and Troubleshooting
2 sections · 3 units · 9 levels. Built to play, not to enroll.
You pick the voice
French Press: The Perfect Plunge 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.
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Start French Press: The Perfect Plunge today.
Download Tomo, search French Press: The Perfect Plunge, and play your first lesson in under a minute.