Skip to main content
BrewMarkBREWMARK

Cold Brew · Beginner

BrewMark Cold Brew Concentrate

A 1:8 concentrate that keeps a week in the fridge and dilutes to taste. Coarse grind, long steep, no heat anywhere.

An original BrewMark recipe.

Dose100g
Water800g
Ratio1:8
Temp68°F
GrindCoarse
Time16 hr

Dial in your grinder

Coarse” means something different on every grinder

This recipe sits at grind index 85 on BrewMark’s 0–100 scale. Convert that to the actual number or click count on your grinder — we support 80+ models.

The method

  1. 0:00Combine grounds and room-temperature water. Stir until fully saturated800g
  2. 1:00Cover and leave at room temperature
  3. 16 hrAfter 16 hours, strain through a filter — do not squeeze the bed
  4. 16 hrDilute 1:1 with water or milk to serve

BrewMark’s notes

Sixteen hours at room temperature, not 24 in the fridge — cold slows extraction so much that a fridge steep needs far longer for the same result. Squeezing the grounds at the end is what makes homemade cold brew bitter. Let gravity do it.

Track how this brew actually turned out

Log the cup, say whether it was sour or bitter, and BrewMark tells you what to change next time — using your grinder’s real settings. Free on iOS.

Get the iOS app

Settings for a specific grinder

Each chart gives every brew method’s setting for one grinder, worked out from that model’s own dial curve.

All grinder charts →
← All brew guides