Official

Chemex 8 Cup Chemex by Stumptown Coffee Roasters

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.

1:16.7 Ratio

4:00 Total

42g Dose

96°C Temp

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Parameters

42 g
Coffee: 700 g
Water: 1:16.7
Ratio: 96 °C
Temp: 7 medium-coarse
Grind: 4:00
Total: ~700 ml
Yield

Grind · 7/10 · medium-coarse

FINE COARSE

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Method

4:00 · total

Bloom 1 / 5
0:00

25s

Pour 150g.

+150g→ 150g 6g/s 25s 96°C
Swirl 2 / 5
0:25

20s

Stir gently until every ground is wet. Let it bloom.

Fill gently
Pour 3 / 5
0:45

1m

Pour in a spiral to 450g.

+300g→ 450g Spiral 6g/s 50s
Pour 4 / 5
1:45

2m15s

Pour in a spiral to 700g.

+250g→ 700g Spiral 6g/s 42s
Done 5 / 5
4:00

Finish when the coffee stops dripping.

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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