Precision
GS30
Grind settings by brew method
Worked out from this grinder’s own dial curve — five reference points placed on a shared 0–100 grind index, interpolated linearly for flat burrs — rather than a one-size-fits-all chart.
- Dial range
- 0 – 14
- Burrs
- Not specified
- Filter reference
- 4
- Espresso → filter
- 3.6 numbers
Fine · 014 · Coarse
EspressoFine
1.20.4 – 2.2
Moka potFiner than filter, coarser than espresso
2.72.2 – 3
AeroPress (short steep)For 1–2 minute recipes
3.23 – 3.6
Pour over — V60 / coneThe reference point for most published pour-over recipes
3.93.6 – 4.5
Pour over — flat bottomKalita, Orea and similar
4.54 – 5.3
Drip / batch brewAutomatic brewers
5.14.5 – 5.9
ChemexThe thick filter needs a coarser grind to avoid stalling
5.95.3 – 6.8
French pressCoarse
7.36.7 – 7.9
Cold brewCoarsest setting you have
8.47.9 – 9.2
brewmark.io/grinders/precision-gs30BrewMark