How To Brew Coffee With A Chemex

People are enjoying coffee deliberately and in modern cafes and restaurants, coffee is no longer simply offered. Manual coffee-making methods are becoming an increasingly popular option for coffee enthusiasts and coffee shop baristas alike. The Chemex coffee maker, so called because it was developed by the Chemex Corporation, was invented in 1941 by the german chemist Dr. Peter Schlumbohm, being  inspired by two laboratory apparatus: his laboratory glass funnel and his Erlenmeyer flask. The original version included a spout and handle, much more complex than the final familiar version, and was intended for multiple uses, including laboratory filtering processes. Two years later, the final version as we know it today was created.

 Chemex is a pour-over method and in contrast to a French Press the Chemex will give you a really clean cup of coffee. This makes it a lot like a dripper, but the coffee produced is much richer, has lots of flavours and is much more smoother.

HOW TO BREW WITH CHEMEX

  • Rinse the filter with hot water  all the way around. This eliminates papery taste and preheats the brewer.
  • Add 45g of ground coffee.
  • Bring 750ml water to a boil. Once boiled, remove from heat and set aside for 30 seconds. For the first pour remember to add double the amount of water to coffee you are using and let it pre-infuse for 30 seconds. If your coffee is fresh enough, you will see an amazing bloom, which is the reaction of the coffee when water is added and the carbon dioxide is released.
  • At 45″, start the second pour, making sure to reintegrate the coffee and water. Keep pouring slowly in circles avoiding the walls of the brewer.
  • Once the water has drained through the bottom (this process should ideally last 4 minutes), remove the filter, and discard it.
  • Enjoy your coffee!

chemexCHEMEX TIPS

  • Grind – When grinding your coffee for Chemex use it is important to use a medium/coarse grind. If coffee is too fine it will not penetrate through filter; too coarse and coffee will under extract.
  • Dose – Begin with 60 grams of coffee for every 1 liter of water. Adjusting this ratio will affect other factors in ways both obvious and subtle, so pay close attention. Changing any single parameter will also require change elsewhere.
  • Water – Use only filtered water, heated to 90°-96° C.
  • Brew time – The extraction time on a Chemex is between 3 to 5 minutes depending on your pouring technique and grind size. You have to experiment with the variables to achieve your preferred brew time.

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