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How To Brew a Chemex (Video)

POSTED. Nov 2, 2020

Chemex brewing uses the pour over method. It's great for 2 to 3 cups at a time and it yields lots of clarity due to the fine mesh of the filter.

For the Chemex we use a 1 to 16 brew ratio. We'll be using 40 grams of coffee and 640 milliliters of water.


  • Grind coffee to a medium-coarse grind
  • Rinse and preheat your filter and brewer
  • Discard rinse water
  • Add your ground coffee to the filter and tare your scale
  • Start your timer and add in 80 milliliters of water and allow coffee to bloom for 45 seconds.
  • After 45 seconds begin slowly adding your remaining water using one steading consistent stream
  • Use your gooseneck kettle to make steady concentric circles starting from the center and working your way out
  • You should have poured the remaining 560 milliliters of water in about 2 minutes. Bringing total brew time to 2 minutes and 45 seconds.
  • After the coffee has finished dripping, remove the filter and give the Chemex a swirl before serving