The Chemex is a simple, elegant machine for making a simple, elegant brewed coffee. Technique-wise, it's quite a bit like pour-over coffee. Using the Chemex pot, filter, and (of course) good technique, you can craft an intensely fragrant, clean, and multifaceted cup.
ONE: Fill pouring kettle with hot filtered water and rinse filter until the glass is heated. Discard water from both.
TWO: Weigh coffee to desired strength (25-28 grams) and grind.
THREE: Place the chemex on a scale, add coffee, shake to level the coffee bed, zero the scale.
FOUR: Fill your pouring kettle with hot filtered water.
FIVE: Start time and pour 100g of water in 15 seconds. Start in the center and work your way out in concentric circles.
SIX: at 1:00, pour to 200g of water in 15 seconds.
SEVEN: At 2:00, pour to 300g of water in 15 seconds.
EIGHT: At 3:00, pour to 390g of water in 15 seconds.
NINE: Coffee should drain at around 4 minutes. Remove filter. Serve.