5 min

Brew time

6 cups


What you need:

  • 6-cup Chemex carafe
  • Chemex filter
  • 42 g (6 rounded tbsp) of Vega Coffee beans
  • 890 g water (30 oz), plus additional for rinsing
  • Kettle
  • Timer
  • Mug or carafe

- Recommended -

  • Burr grinder
  • Scale

Chemex Ratio Chart

We use a 6-cup Chemex. If you use another size, adjust your measurements according to our chart below.

Qty. Coffee Water
3 cups 24 g 445 g (15 oz)
4 cups 32 g 590 g (20 oz)
8 cups 64 g 1180 g (40 oz)

For other Chemex sizes, simply apply the same ratios as we have here: for each cup, use 8 g (1 rounded tbsp) coffee and 148 g (5 oz) water.

Step 1

Heat your water to about 200℉ (93℃). Or, simply bring your water to a boil and then let it sit off the heat for 30 seconds.

Put the Chemex filter in the carafe with the thicker, triple-fold portion facing the pour spout without obstructing it. Rinse the filter thoroughly and swirl the water around the chamber to remove the papery taste. Empty the chamber.

Step 2

Grind 42 g (6 rounded tbsp) of coffee to a medium-fine grind, about the consistency of Kosher salt.

Step 3

Place the ground coffee in the filter. Give everything a shake to flatten out.

Step 4

Pour the water over the coffee, using enough to saturate the grounds thoroughly, but not so much as to create a pool of water. As a measure, you’ll want double the amount of water as you have grounds. Pour evenly, starting at the center then slowly spiraling outward, taking care not to pour water directly on the paper filter.

Start your timer and let the coffee sit for about 30 seconds, allowing the coffee to bloom and release its trapped gasses.

Step 5

Following the bloom, keep pouring in a slow, even spiral over the grounds, so that you maintain saturated grounds. A steady technique is the key to an even extraction. If you're using a scale, you should pour until you reach 890 g (30 oz).

Note: the brewing process should take a total of 4 minutes. If it takes longer, or your water to pass through your grounds, your grind is likely too fine. The opposite is true if the water is passing through at a rate quicker than 3 minutes.

Step 6

Once the water has passed through, pull the filter out of the Chemex and let it drain into the sink. Find your favorite mugs, and enjoy!

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