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French press grind size

French press grind size on a Baratza Virtuoso+

For French press on a Baratza Virtuoso+, start at 28. That is about 900 µm, a medium-coarse grind.

Baratza Virtuoso+ setting for French press28Medium-coarse grind, ~900 µm
Finer 27Coarser 29Step size 25 µm

Adjusting from 28

WhenSettingParticle size
Finer: sour or thin cups27~870 µm
Start here28~900 µm
Coarser: bitter or dry cups29~930 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 French press

Steps

  1. Add 30 g of coarse coffee to the press.
  2. Pour 450 g of hot water and start the timer. Do not plunge.
  3. At 4:00, stir the crust gently and skim any foam.
  4. Press the plunger down slowly and pour right away so it stops extracting.
  5. Taste. Sour: steep longer or grind slightly finer. Bitter or silty: grind coarser.

Other brew methods on a Baratza Virtuoso+

French press on other grinders

Questions

What grind setting is best for French press on a Baratza Virtuoso+?

Start at 28 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: steep longer or grind a little finer. Bitter or silty: grind coarser.

Where does this setting come from?

The Baratza Virtuoso+ 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.