AeroPress (standard, upright)

Pressure-assisted immersion brew invented by a Frisbee designer. Versatile, fast, hard to mess up.

Roast	Grind	Coffee	Water	Time
light	medium-fine	17 g	250 ml	1:30
medium	medium-fine	17 g	250 ml	1:30
dark	medium	15 g	250 ml	1:30

Makes one 250 ml cup. The figures above are the whole recipe.

What goes wrong

Pressing too hard (bypasses the filter, channels), using boiling water (bitter - let it sit 30 seconds), using too coarse a grind (under-extraction, sour).

Care schedule

1 task for this machine.

Replace the plunger seal

Yearly

The rubber seal is the only thing making an AeroPress a pressure brewer. Once it hardens the plunger slides too easily, air escapes past it, and the brew goes weak and thin with no obvious cause.

What you need

A replacement seal for your model - the XL seal is not the standard one. Warm soapy water.

What goes wrong

Storing it compressed, which flattens the seal within months. Diagnosing weak coffee as a grind problem when the seal is passing air. Buying the wrong model's seal. Putting oil or grease on the rubber, which swells it.

The procedure

Test the old one first. Seal the chamber with the filter cap and no filter, insert the plunger 2cm, and press. It should resist. If it slides freely, the seal is done.

4 more steps

The full procedure is in the app, along with a reminder when this is next due. Add the AeroPress to your shelf and it keeps track.

Get the app

AeroPress

AeroPress (standard, upright)

What goes wrong

Care schedule

Replace the plunger seal

What you need

What goes wrong

The procedure

What it makes