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Chemex 10 Cup

Chemex 10 Cup Chemex

Official

by James Hoffmann

Scaled Hoffmann pour-over technique for the largest 10-cup Chemex. Coarse grind prevents over-extraction.

1:16.4 Ratio
5:30 Total
55g Dose
100°C Temp

Parameters

55 g
Coffee
900 g
Water
1:16.4
Ratio
100 °C
Temp
7 coarse
Grind
5:30
Total
4
Servings
Grind · 7/10 · medium-coarse
FINE COARSE

Method

5:30 · total
  1. Bloom 1 / 5
    0:00

    To

    110g

    +110g add
    15s Spiral

    Create well. Pour 110g, swirl.

  2. Pour 2 / 5
    0:45

    To

    540g

    +430g add
    50s Spiral

    Pour to 540g in circles.

  3. Pour 3 / 5
    2:00

    To

    900g

    +360g add
    45s Spiral

    Pour to 900g.

  4. Swirl 4 / 5
    3:00

    Gentle swirl.

  5. Done 5 / 5
    5:30

    Brew complete.

Notes

Scaled Hoffmann technique for largest Chemex. Coarse grind prevents over-extraction on long brew. Swirl at end for flat bed finish.

Original source

Recipe by James Hoffmann, published at youtube.com.

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Bloom

0:00

110g

+540g add

15s
Bloom · 1/5 0:00
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