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Chemex 10 Cup

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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
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Parameters

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

Method

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

    Create well. Pour 110g, swirl.

    +110g→ 110g Spiral 15s
  2. Pour 2 / 5
    0:45

    Pour to 540g in circles.

    +430g→ 540g Spiral 50s
  3. Pour 3 / 5
    2:00

    Pour to 900g.

    +360g→ 900g Spiral 45s
  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