Chemex Brew Timer
Step-by-step timer with pour schedule for Chemex. 25g / 450ml / Medium-Coarse grind.
Coffee
g
Water
450ml
Grind
Medium-Coarse
Temp
93C (200F)
Ratio 1:18.0
00:00/ 04:30
Bloom(60g)
Pour 60g water, swirl, wait
1
Bloom60g
00:00-00:45Pour 60g water, swirl, wait
2
First Pour190g
00:45-01:45Pour slowly to 250g in circles
3
Second Pour150g
01:45-02:45Pour to 400g
4
Final Pour50g
02:45-03:15Pour to 450g
5
Drawdown
03:15-04:30Wait for complete drawdown
Frequently Asked Questions
How long does it take to brew Chemex?
The Chemex recipe takes 4 minutes and 30 seconds from start to finish. This includes all pour stages and wait times. Actual time may vary slightly depending on your grind size and technique.
What ratio should I use for Chemex?
This recipe uses 25g of coffee to 450ml of water. This is a good starting point. If the result is too strong, reduce the coffee by 1-2g. If too weak, add 1-2g. Small changes make a noticeable difference.
What grind size for Chemex?
Use a medium-coarse grind for Chemex. If your brew finishes too fast and tastes sour, grind finer. If it drains too slowly and tastes bitter, grind coarser. Adjust in small increments.
Can I embed this Chemex timer on my website?
Yes. Click the "Add to your site" button to get an embed code. The timer works in any website via an iframe and includes step-by-step guidance, pour schedule, and audio cues.