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French press grind size

French press grind size on a Timemore Chestnut C3

For French press on a Timemore Chestnut C3, start at 23 clicks. That is about 900 µm, a medium-coarse grind.

Timemore Chestnut C3 setting for French press23 clicksMedium-coarse grind, ~900 µm
Finer 22 clicksCoarser 24 clicksStep size 40.7 µm

Adjusting from 23 clicks

WhenSettingParticle size
Finer: sour or thin cups22 clicks~869 µm
Start here23 clicks~900 µm
Coarser: bitter or dry cups24 clicks~929 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 Timemore Chestnut C3

French press on other grinders

Questions

What grind setting is best for French press on a Timemore Chestnut C3?

Start at 23 clicks 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 Timemore Chestnut C3 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.