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Chemex 8 Cup

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Stumptown Coffee's Chemex method is scaled for the Chemex 8-cup, beginning with thorough saturation before moving into substantial staged pours. It favors a clean, developed batch with even sweetness and enough presence for a larger serving.

1:16.1 Ratio
5:00 Total
56g Dose
96°C Temp
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Parameters

56 g
Coffee
900 g
Water
1:16.1
Ratio
96 °C
Temp
7 medium-coarse
Grind
5:00
Total
~900 ml
Yield
Grind · 7/10 · medium-coarse
FINE COARSE

Method

5:00 · total
  1. Bloom 1 / 5
    0:00
    45s

    Pour 150g and stir to saturate the bed. Let it bloom.

    +150g→ 150g 10g/s 15s 96°C
  2. Pour 2 / 5
    0:45
    1m15s

    Pour in a spiral to 450g.

    +300g→ 450g Spiral 6g/s 50s
  3. Pour 3 / 5
    2:00
    1m

    Pour in a spiral to 700g.

    +250g→ 700g Spiral 6g/s 42s
  4. Pour 4 / 5
    3:00
    2m

    Finish in a spiral to 900g.

    +200g→ 900g Spiral 6.1g/s 33s
  5. Done 5 / 5
    5:00

    Drawdown complete.

Notes

Stir the bloom just enough to remove dry pockets, especially at the bottom of the deep bed. Use a coarser grind than for a smaller Chemex to offset the longer drawdown, and keep later pours away from the paper to reduce bypass and weak extraction.

Original source

Recipe by Stumptown Coffee Roasters, published at stumptowncoffee.com.

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Definitions, ratios and protocols behind this recipe.

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Pour

0:00

150g

+450g add

15s
Pour · 1/5 0:00