The Parameters

1:12
Coffee to Water Ratio
93°C
Water Temperature
Medium
Grind Size
2:30
Total Brew Time

The AeroPress was invented in 2005 by Alan Adler — the same engineer behind the Aerobie flying ring. Adler's goal was a simpler, faster brewer that extracted the sweetness of the bean without the bitterness that comes from long extraction times. What he produced was the most versatile manual brewer ever built.

The mechanism is a hybrid: grounds steep in hot water during an immersion phase, then the plunger pushes that water through a paper filter under manual pressure. The immersion extracts body and depth; the pressure speeds the process and increases extraction efficiency; the paper filter strips sediment and oils for clarity. No other single brewer combines all three in this way.

Phase 01

Immersion

Grounds steep fully in water for 60–90 seconds. Water saturates every particle evenly, extracting body, sweetness, and depth — the same principle as French press, but at a fraction of the time.

Borrowed from: French Press

Phase 02 — The Distinctive Step

Pressure

The plunger generates ~0.35–0.75 bar of pressure as you press — not espresso's 9 bar, but significantly more than gravity alone. This forces water through the coffee bed faster and more efficiently than any drip method, and in doing so extracts cleanly in under 30 seconds.

Unique to the AeroPress design

Phase 03

Paper Filtration

Coffee passes through a paper microfilter that removes sediment, fine particles, and oils — the same thing a V60 filter does. The result is a clean, bright cup with no grit and no sludge at the bottom. Clarity that French press cannot achieve.

Borrowed from: Pour Over

The Versatility

One Device — Four Different Cups

No other manual brewer produces such a wide range of outputs from the same device. By adjusting ratio, grind, and technique — without changing a single piece of equipment — the AeroPress can produce everything from a clean, bright filter-style cup to a concentrated, espresso-adjacent shot. This is the reason AeroPress championships exist and attract genuinely diverse winning recipes.

AeroPress Output Styles — Same Brewer, Different Recipes

Pour-Over Style

Ratio1:15–1:17
GrindMedium
Temp92–94°C

Clean, bright, lighter body. Origin character leads. Similar profile to pour over but faster and slightly more body.

Balanced Standard ✦ SC Recipe

Ratio1:12
GrindMedium
Temp93°C

The Simple Coffee starting point. Full extraction, balanced body, clean finish. Works for all Thai Arabica roast levels. Total time 2:30.

Concentrated + Bypass

Ratio1:6–1:8
GrindMed-Fine
DiluteAdd hot water after

Brew concentrated, dilute to strength. Competition-favoured technique — produces cleaner, more even extraction than a single full-volume pour.

Espresso-Adjacent

Ratio1:3–1:5
GrindFine
Steep30–60s

Concentrated, bold, no crema. Not true espresso — pressure is 0.75 bar vs 9 bar — but strong enough for milk-based drinks where a pump machine is not available.

Two Positions

Standard Method vs Inverted Method

The AeroPress can be used right-side up (standard) or upside down (inverted). Both produce excellent coffee. The difference is in control — specifically, whether the coffee drips through before you are ready to press.

Original design

Standard Method

AeroPress sits filter-end-down on the mug. Plunger inserted after.

Simpler setup — no flipping required. Lower risk of spills.
Faster for beginners — just pour and press when ready.
Identical flavor outcome when technique is consistent.

Limitation: Gravity pulls liquid through the filter before you press, which shortens the actual immersion time. Controlling this requires quick pouring and precise timing.

Step by Step — Inverted Method

The Complete Brew at 1:12

Set up inverted

Insert the plunger into the AeroPress chamber by about 1cm — just enough to create a seal at the bottom. Stand the AeroPress upside down with the plunger end on the table and the open end facing up. This is the inverted position. The small amount of plunger inserted holds it stable.

Rinse filter, grind, and dose

Place a paper filter in the filter cap. Rinse it with hot water and set the cap aside — rinsing removes the papery taste and slightly preheats the cap. Weigh 17g of coffee and grind to medium — table salt texture. Add the ground coffee to the open chamber above.

17g coffee · Medium grind · Rinse the filter cap

Bloom pour — 0:00

Start your timer. Pour 34g of water (twice the coffee weight) over the grounds. Start at the centre and move to the edges to saturate everything. Wait 30 seconds for the bloom — fresh coffee will visibly swell and gas off. The AeroPress bloom is more compact than a pour over bloom but the same principle applies.

34g water · 30 second bloom

Main pour — 0:30

At 30 seconds, pour the remaining water to reach 204g total (17g × 12 = 204g). Pour steadily — a gentle stir with a spoon or the AeroPress paddle after pouring ensures all grounds are in contact with the water. The chamber will be nearly full.

Total water: 204g · Stir once after pouring

Attach cap and steep — 1:00 to 1:45

At around 1:00, attach the filter cap firmly so it clicks into place. Do not flip yet — just seal it. The coffee is steeping with total immersion and the cap traps heat. Let it steep undisturbed until 1:45.

Flip onto mug — 1:45

At 1:45, place your mug on top of the filter cap (the AeroPress is still inverted, remember — the mug goes on the top which will become the bottom). Hold the mug and the AeroPress together and flip them in one confident motion. The AeroPress is now right-side up on the mug, plunger facing up. Do not hesitate — a slow flip lets heat escape and shakes up the brew.

One confident motion · Mug on cap first · Then flip

Press — 1:45 to 2:30

Apply steady, even downward pressure on the plunger. The press should take 30–40 seconds to reach the bottom — a full 45 seconds is fine. Do not rush it. When you hear a hiss of air, stop — that sound means you have pressed all the coffee through and only air remains. Continuing past the hiss does not add more coffee; it adds bitterness.

Stop at the hiss · 30–45s press time

Total active time: about two and a half minutes from first pour to last press. Clean-up takes about 15 seconds — pop the puck out by pressing the plunger through the chamber, rinse, done. No other brewer comes close to that ratio of quality to effort to clean-up time.

Dialling In

Adjusting the Cup

AeroPress is the most forgiving brew method — small mistakes rarely produce undrinkable coffee. But when the cup is off, the cause is usually one of three things and each has a direct fix.

Sour / Thin / Under-extracted

Grind too coarse, or steep too short

Grind finer — the most immediate fix. If grind is correct, extend the steep time by 15–20 seconds before pressing. At the right extraction, AeroPress coffee should taste balanced and slightly sweet, not sharp or hollow.

Bitter / Harsh / Over-extracted

Grind too fine, water too hot, or pressed past the hiss

Grind coarser first. If already at medium, check that you stopped pressing at the hiss — the air that comes out after the coffee is through extracts bitterness. For dark roasts, try dropping water temperature to 90°C to reduce bitterness extraction.

Difficult to press / Stalls midway

Grind too fine, or paper filter clogged

Press more slowly with steady rather than forceful pressure — rushing a stalled press creates channeling. If resistance is extreme, the grind is too fine. Coarsen by several steps. Also check that the filter is correctly seated in the cap and not folded or creased.

Recommended for AeroPress

Two Simple Coffee Products for This Method

AeroPress works well across a wide roast range, but it performs best with coffees that have enough complexity to benefit from the hybrid extraction — coffees where the immersion phase draws out depth and the paper filter clarifies it. Both products below have Continuum profiles suited to the AeroPress's balanced output.

Recommended — Simple Coffee

Artisan

Blend · Northern Thailand · 100% Arabica · Med-Dark

C F Med-Dark · 3 dots

A complex Thai Arabica blend with Chocolate depth and Fruit brightness. AeroPress draws out both layers simultaneously — the immersion phase develops the chocolate body, and the paper filter keeps the fruit notes precise rather than muddied. A clean, well-structured cup every time.

AeroPress Parameters for Artisan

Ratio: 1:12 · Temp: 93°C · Time: 2:30 · Grind: Medium

View Artisan ↗

Recommended — Simple Coffee

Jazz

Blend · Northern Thailand · 100% Arabica · Medium Roast

F S S Medium · 2 dots

Lively and layered — bright fruit, warm spice, sugary sweetness. Jazz's three-node profile (Fruit / Sugary / Spice) produces a genuinely complex AeroPress cup that changes from the first sip to the last. The medium roast preserves the fruit notes that a darker roast would push out. Try it at slightly lower temperature (91°C) to emphasise the fruit character.

AeroPress Parameters for Jazz

Ratio: 1:12 · Temp: 91–93°C · Time: 2:30 · Grind: Medium

View Jazz ↗

The AeroPress is the only brewer that produces a genuinely different cup depending on how you use it — pour-over clarity, French press body, or concentrated espresso-adjacent strength, all from the same device. Learn the inverted method first. Once you can repeat it consistently, experiment from there.