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Cold brew grind size

Cold brew grind size on a Kingrinder K4

For Cold brew on a Kingrinder K4, start at 2.10. That is about 1100 µm, a coarse grind.

Kingrinder K4 setting for Cold brew2.10Coarse grind, ~1100 µm
Finer 2.06Coarser 2.14Step size 8.4 µm

Adjusting from 2.10

WhenSettingParticle size
Finer: sour or thin cups2.06~1067 µm
Start here2.10~1100 µm
Coarser: bitter or dry cups2.14~1127 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 Kingrinder K4

Cold brew on other grinders

Questions

What grind setting is best for Cold brew on a Kingrinder K4?

Start at 2.10 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 Kingrinder K4 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.