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- This one will be a bit unusual since I actually use a 3-cup Chemex at home and this tiny buddy helped me place ### in last Chemex Cup in ###.You can easily replicate my recipe with a 6-cup Chemex but you won’t get extra secret features of the ring one 😉
My most used ratio for this device is 26g for 400 ml of water. It is the maximum capacity of brew in this device since above it would already cause the filter to submerge in coffee. I use spring water with 120ppm with a nice balance of Mg and Ca. When I first test new beans I go for 26 clicks on my Comandante grinder and 95 degrees Celsius water.
For the bloom, I usually use 80g of water. The 3-cup Chemex has a taller coffee bed that helps the water reach all the coffee but it’s harder for the CO2 to escape do i usually stir the slurry with a wooden spatula to help the gas to release. After 30-40 seconds, I continue with a pour up to 250 ml with regular cylindrical movements from the middle to the sides. After 1:20-1:30, I continue with the second pour up to 350ml. After the first pour, the slurry tends to create a ring close to the top of the device and I try to gather that coffee while pouring to get it back into the brew.
The last pour of the remaining 50ml helps me even up the coffee bed and make sure all the bits brew till the end. It’s the most delicate pour since I don’t want to disturb the coffee any longer. I strive to compete for this pour till the 2 min of brewing. Afterwards, I allow it to filter without any further disturbance.
Depending on the coffee the brew might finish between 3:30 to 4 min. I usually assess the level of complexity and sweetness and either adjust the recipe to get a shorter time or extend it. Some brews close to 4 min or even exceeding that time tend to be super sweet. Remember: Peter Schlumbaum designed the Chemex to create non-bitter coffee so don’t be afraid to experiment with longer brewing times. You usually won’t get any astringency and bitterness in your brew 🙂
What makes this recipe so special?
This recipe is based on cuppings.
Whenever I have had a favorite coffee on a cupping table I love to sip that same coffee straight from the cupping bowl and the coffee flavors explode.
How to measure grinding size?
Due to various grinders we use, we use a simple grading system to measure the grinding size.
1 – Finest grinding
10- Coarsted grinding
We’re currently building an easy to understand the grinding system, any ideas? Let us know, send email to [email protected] or contact us through Instagram.