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Chemex Brew Guide

History of the Chemex

The chemex is a timeless piece of brewing equipment invented in 1941. It’s made of non-porous borosilicate glass. For those of us who aren’t scientists, what that means is that it doesn’t absorb odors easily and you can clean it easily.  Not only is it super easy to use, but it’s appealing on your shelf too.

There are a range of different types of chemex, but most commonly, you’ll find they come in a range of sizes to suit the amount of coffee you’d like to make and all consist of a wooden handle around the neck. 

Where to buy a Chemex?

What type of coffee for chemex?

As your Chemex removes the natural oils in coffee, it works well for all roast types - especially dark roasts as it makes them less bitter.

chemex brew guide
chemex brew guide

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Where to buy a Chemex?

What type of coffee for chemex?

As your Chemex removes the natural oils in coffee, it works well for all roast types - especially dark roasts as it makes them less bitter.

How to make coffee with a Chemex Step-by-step

  • 1. Grind your beans to a course sea salt type consistency
  • 2. Boil your water
  • 3. Get four layers of filter paper. You want to put three layers on one side and 1 layer on the other. Place the filter into the Chemex so that the three layer sections is on the spout side. Make sure it’s not obstructing the spout.
  • 4. Fully saturate the filter and then pour away any excess water
  • 5. Now add your ground coffee and shake lightly so it’s level. This will give you a much more even pour.
  • 6. You’ll want to add a small amount of water (75g) and wait for anywhere between 30-50 seconds. This is your pre infusion. You should notice the coffee expand. This is known as the bloom
  • 7. Give it a light swirl during this time to agitate the grounds
  • 8. Now pour in the rest of your water (try to avoid the edges.allow the water to drip through the grounds.
  • 9. Wait for the entire process to drain. It should take around 4-5 minutes.
  • 10. Enjoy

What you'll need

  • Chemex
  • Boiling Water (250g)
  • Chemex filter
  • Coffee grinder
  • Digital Scale
  • Timer
  • Coffee cup
  • Coffee beans (15g)

How long it takes

  • From bean to cup
  • 4 -6 Minutes

Chemex Brew Guide - FAQ

  • 1. To make this coffee in the best way we recommend starting with a whole bean and grinding your coffee just before you brew. This way you’ll keep the natural flavours and aromas within the coffee.
  • 2. If you can, use a scale to properly measure how much coffee you’re using as it makes for a more even brew and removes any guesswork.

Ready to start making coffee with a Chemex? Why not check out these coffees.

See other brew guides

Now that you’ve mastered brewing with an Aeropress, why not check out our other brew guides to learn how to make coffee

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