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Cold brew grind size

Cold brew grind size on a Kinu M47 Classic

For Cold brew on a Kinu M47 Classic, start at 6.7. That is about 1100 µm, a coarse grind.

Kinu M47 Classic setting for Cold brew6.7Coarse grind, ~1100 µm
Finer 6.5Coarser 6.9Step size 16.5 µm

Adjusting from 6.7

WhenSettingParticle size
Finer: sour or thin cups6.5~1073 µm
Start here6.7~1100 µm
Coarser: bitter or dry cups6.9~1133 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 Cold brew

Steps

  1. Add 100 g of coarse coffee to a jar and pour in 800 g of cold water.
  2. Stir so all the grounds are wet, cover, and leave for 12 to 18 hours.
  3. Strain through a fine filter or paper.
  4. This is a concentrate. Dilute to taste with water or milk, and keep it in the fridge.
  5. Taste. Weak or sour: steep longer or grind slightly finer. Bitter or muddy: shorten the steep or grind coarser.

Other brew methods on a Kinu M47 Classic

Cold brew on other grinders

Questions

What grind setting is best for Cold brew on a Kinu M47 Classic?

Start at 6.7 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 or sour: steep longer or grind a little finer. Bitter or muddy: shorten the steep or grind coarser.

Where does this setting come from?

The Kinu M47 Classic 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.