A Chemex in five steps: how to brew a clean cup of filter coffee

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A Chemex brews a clean, bright cup of filter coffee, with room for several cups at once. You pour the water over the coffee in stages and let everything drip through. Here’s how it works in five steps.

The recipe at a glance

Component Guideline
Coffee 30 grams, medium-coarse
Water 500 grams, approximately 93 °C
Bloom 80 grams of water, wait 30 to 45 seconds
Top up 50 to 75 grams every 30 seconds, up to 500 grams
Brewing time 3 to 4 minutes
Total time 4 to 5 minutes

With a scale with a timer, you can keep a close eye on the quantities and the time.

The five steps

  1. Rinse the filter. Rinse the filter with hot water and discard the water.
  2. Weigh and grind. Grind 30 grams of coffee to a medium-coarse consistency.
  3. Bloom. Pour 80 grams of water over the coffee and wait 30 to 45 seconds.
  4. Pour in circles. Add 50 to 75 grams of water every 30 seconds until you reach 500 grams. The brewing time is 3 to 4 minutes.
  5. Let it drip through. Let everything drip through, remove the filter, and pour. You’ll be done in around 4 minutes 30 seconds to 5 minutes.

Adjusting the taste

Is the coffee dripping through too quickly and tasting sour or weak? Then grind it a little finer. Is it dripping through too slowly and tasting bitter? Then grind it a little coarser. Read more about the best grind size for each brewing method. Want to learn about a different pour-over? Read a V60 in five steps.

Ready to taste?

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Frequently Asked Questions

How much coffee and water do you use for a Chemex?

Start with 30 grams of medium-coarse ground coffee and 500 grams of water at approximately 93°C.

What is a bloom?

With the bloom, you first pour a small amount of water over the coffee, here 80 grams, and wait 30 to 45 seconds. After that, you continue pouring in portions.

How long does it take to brew with a Chemex?

The brewing time is 3 to 4 minutes. In total, it takes about 4 to 5 minutes until the coffee has finished dripping through.