Chemex brew guide

The Chemex was invented in 1941 by chemist Peter Schlumbohm. Its thick filters and elegant design produce a clear, sweet, aromatic cup that highlights the character of the coffee.

Adapted from the method popularized by George Howell.

How to brew a Chemex

You’ll need:

grainFresh coffee opacityFiltered water kettleKettle scaleScale timerTimer blenderGrinder coffee_makerChemex + filter
Chemex icon

Parameters

  • percentRatio: 55 g coffee → 750 g water
  • grainGrind size: Medium–coarse
  • device_thermostatWater temperature: 96 °C
  • scheduleTotal brew time: ~4:00–5:00

Steps

  • Rinse the filter with hot water and preheat the Chemex.
  • Add 55 g medium–coarse coffee.
  • Start the timer and pour steadily to 250 g by 0:30.
  • Allow it to drain. At 1:00, pour to 500 g by 1:30.
  • At 2:30, final pour to reach 750 g.
  • Drawdown finishes around 4:00–5:00. Swirl gently and serve.
Chemex icon

Parameters

  • percentRatio: 55 g coffee → 750 g water
  • grainGrind size: Medium–coarse
  • device_thermostatWater temperature: 96 °C
  • scheduleTotal brew time: ~4:00–5:00

Steps

  • Rinse the filter with hot water and preheat the Chemex.
  • Add 55 g medium–coarse coffee.
  • Start the timer and pour steadily to 250 g by 0:30.
  • Allow it to drain. At 1:00, pour to 500 g by 1:30.
  • At 2:30, final pour to reach 750 g.
  • Drawdown finishes around 4:00–5:00. Swirl gently and serve.