Electric grinder

Cold brew grind setting for the Eureka Mignon Brew Pro

7.1–8

That is where to start with a light roast. It should come out looking like coarse sea salt. Medium roasts go to 7.6–8.5 and dark roasts to 8–8.9.

Eureka Mignon Brew Pro, set for a light roast

The setting, by roast

Lighter roasts are harder to pull flavor out of, so they grind a little finer and steep longer. Darker roasts go the other way. The dial runs from 0 to 9.

RoastSettingLooks likeSteep in the fridge
Light roast7.1–8coarse sea salt18–22 h
Medium roast7.6–8.5coarse kosher salt14–18 h
Dark roast8–8.9raw sugar10–14 h

Where the number comes from

People who own one report 7–9. Our starting point is 8 for a medium roast, and it moves with the roast.

Maker’s guidance: seattlecoffeegear.com

Owner reports: reddit.com, coffeeforums.co.uk

How to use it

  1. Set it. Set the dial to 7.1–8. That is the light roast setting. Use the table above for anything darker.
  2. Grind and look. You want pieces about the size of coarse sea salt.
  3. Steep. Give it 18–22 hours in the fridge, or 12–14 on the counter.
  4. Taste and adjust. Too bitter? Go coarser next time. Too sour? Go finer. Move about 0.9 at a time.

Let the app keep track.

Cold Brew Studio shows the dial created for your Eureka Mignon Brew Pro with the setting marked, sizes the batch to your brewer, and moves the dial for you when you rate how it tasted.

Free on iPhone and the web. No account needed.

Quick answers

What grind setting should I use for cold brew on the Eureka Mignon Brew Pro?
Start at 7.1–8 for a light roast, 7.6–8.5 for a medium roast and 8–8.9 for a dark roast.
How long should I steep cold brew ground on the Eureka Mignon Brew Pro?
18–22 hours in the fridge for a light roast, 14–18 for medium and 10–14 for dark. On the counter it goes faster: 12–14, 9–12 and 7–9 hours.
What should the grounds look like?
Coarse. About the size of coarse sea salt for a light roast, coarse kosher salt for medium and raw sugar for dark.