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Espresso grind size

Espresso grind size on a DF DF64 Gen 2

For Espresso on a DF DF64 Gen 2, start at 7. That is about 250 µm, an extra fine grind.

DF DF64 Gen 2 setting for Espresso7Extra fine grind, ~250 µm
Finer 4Coarser 10Step size 9.7 µm

Adjusting from 7

WhenSettingParticle size
Finer: sour or thin cups4~218 µm
Start here7~250 µm
Coarser: bitter or dry cups10~278 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 Espresso

Steps

  1. Weigh 18 g of coffee and grind it.
  2. Distribute and tamp level, then lock in the portafilter.
  3. Start the shot and the timer together, with the cup on a scale.
  4. Stop at about 36 g in the cup, around 25 to 30 seconds.
  5. Taste. Sour or thin: grind finer. Bitter or dry: grind coarser.

Other brew methods on a DF DF64 Gen 2

Espresso on other grinders

Questions

What grind setting is best for Espresso on a DF DF64 Gen 2?

Start at 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?

Shots run fast and taste sour: grind finer, or raise the dose a little. Shots run slow and taste bitter: grind coarser.

Where does this setting come from?

The DF DF64 Gen 2 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.