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Weigh coffee and water. Match temperature and time before changing the recipe.
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Chemex — Four-Hour Thermos
Chemex
Original measurements and instructions. This recipe has not been recalculated.
- Coffee
- 42 g
- Water
- 680 g
- Temperature
- 95°C
- Total time
- 4 min 45 s
Grind: Medium-coarse
Rinse the paper thoroughly, bloom, then use three controlled pours without filling above the filter seam. A slightly stronger recipe designed to remain expressive after several hours in a preheated steel vessel. Starting point: 42 g coffee, 680 g water at 95°C, with a target time of 4:45.
Open full recipe →HOW TO USE THE RESULT
Taste cooler.
Wait sixty seconds after brewing. Sweetness and defects are easier to read below serving temperature.
Change one thing.
Adjust grind first. Keep dose, water and technique fixed so the next cup teaches you something.