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Moka pot grind size

Moka pot grind size on a Timemore Chestnut C3

For Moka pot on a Timemore Chestnut C3, start at 10 clicks. That is about 350 µm, a fine grind.

Timemore Chestnut C3 setting for Moka pot10 clicksFine grind, ~350 µm
Finer 9 clicksCoarser 11 clicksStep size 40.7 µm

Adjusting from 10 clicks

WhenSettingParticle size
Finer: sour or thin cups9 clicks~340 µm
Start here10 clicks~350 µm
Coarser: bitter or dry cups11 clicks~400 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 Moka pot

Steps

  1. Fill the base with hot water to just below the safety valve.
  2. Fill the basket level with coffee. Do not tamp.
  3. Screw the top on and heat gently with the lid open.
  4. Take it off the heat when it starts to sputter, and cool the base under a tap.
  5. Pour right away. Sour: grind a touch finer. Bitter or burnt: grind coarser and lower the heat.

Other brew methods on a Timemore Chestnut C3

Moka pot on other grinders

Questions

What grind setting is best for Moka pot on a Timemore Chestnut C3?

Start at 10 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?

Weak and sour: grind a touch finer. Harsh and bitter: grind coarser and lower the heat.

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.