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AeroPress grind size

AeroPress grind size on a 1Zpresso X-Ultra

For AeroPress on a 1Zpresso X-Ultra, start at 1.2.9. That is about 450 µm, a medium-fine grind.

1Zpresso X-Ultra setting for AeroPress1.2.9Medium-fine grind, ~450 µm
Finer 1.2.3Coarser 1.3.5Step size 5 µm

Adjusting from 1.2.9

WhenSettingParticle size
Finer: sour or thin cups1.2.3~419 µm
Start here1.2.9~450 µm
Coarser: bitter or dry cups1.3.5~479 µm

Lower numbers are finer. To grind finer, turn the setting down. Change one step at a time, and brew again before changing anything else.

Starting recipe for AeroPress

Steps

  1. Rinse the paper filter and assemble the AeroPress on a mug.
  2. Add 15 g of coffee and pour 225 g of water, wetting all the grounds.
  3. Stir for 10 seconds, then insert the plunger to stop dripping.
  4. At about 1:30 to 2:00, press gently for 30 seconds.
  5. Taste. Sour: grind finer or steep longer. Bitter: grind coarser or steep shorter.

Other brew methods on a 1Zpresso X-Ultra

AeroPress on other grinders

Questions

What grind setting is best for AeroPress on a 1Zpresso X-Ultra?

Start at 1.2.9 and adjust by taste. Lower numbers are finer. To grind finer, turn the setting down.

How do I know if I should grind finer or coarser?

Sour or thin: grind finer, steep longer or use hotter water. Bitter or dry: grind coarser, steep shorter or use cooler water.

Where does this setting come from?

The 1Zpresso X-Ultra is mapped to particle size in microns, fitted from the Honest Coffee Guide's settings for this grinder. It is a starting point, not a guarantee.