Cold brew grind size

Cold brew grind size on a Baratza Sette 30

For Cold brew on a Baratza Sette 30, start at 37. That is about 1100 µm, a coarse grind.

Baratza Sette 30 setting for Cold brew37Coarse grind, ~1100 µm

Finer 36Coarser 38Step size 24 µm

Adjusting from 37

When	Setting	Particle size
Finer: sour or thin cups	36	~1064 µm
Start here	37	~1100 µm
Coarser: bitter or dry cups	38	~1124 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

Dose100 g
Water800 g
Ratio1:8
Time12 to 18 hours
Water temperaturecold water, in the fridge or at room temperature

Steps

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

Other brew methods on a Baratza Sette 30

Cold brew on other grinders

Questions

What grind setting is best for Cold brew on a Baratza Sette 30?

Start at 37 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 Baratza Sette 30 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.