Bring water to 93 C. In the meantime, grind 30 grs medium coarse size
Fold the Chemex filter ensuring that the triple fold portion is facing the sprout
Fully wet the filter with hot water and then discard the water through the sprout
Pour the ground coffee into the filter and flatten the bed with a gentle shake
Gently pour approx. 50 ml of water over the coffee and let it bloom between 30-40 seconds
Pour additional 200 ml of water in a circular pattern starting at the center and toward the edge but making sure not to pour down the sides of the filter. Stop and let it drip for a while
Repeat the last step with the remaining 150 ml of water
Let the water to completely drip through the coffee. Remove the filter and serve
Tip to improve your extraction:
If the brew goes too fast, the grind size is too coarse or the pour over is too fast. If the brew goes too long, the grind size is too fine or the pour over too slow.