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Moka pot grind size

Moka pot grind size on a Hario Skerton Pro

For Moka pot on a Hario Skerton Pro, start at 1 clicks. That is about 350 µm, a fine grind.

Hario Skerton Pro setting for Moka pot1 clicksFine grind, ~350 µm
Finer 1 clicksCoarser 1 clicksStep size 150.5 µm

Adjusting from 1 clicks

WhenSettingParticle size
Finer: sour or thin cups1 clicks~267 µm
Start here1 clicks~350 µm
Coarser: bitter or dry cups1 clicks~327 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 Hario Skerton Pro

Moka pot on other grinders

Questions

What grind setting is best for Moka pot on a Hario Skerton Pro?

Start at 1 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 Hario Skerton Pro 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.