Pulse Pour

Chemex 6 Cup Chemex by Chemex

Chemex's brewing guidance informs this pulse-pour method, breaking water delivery into controlled additions rather than a continuous stream. It offers an easy way to manage slurry depth and contact, aiming for an even, balanced, clean cup.

1:16 Ratio

5:00 Total

32g Dose

95°C Temp

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Parameters

32 g
Coffee: 512 g
Water: 1:16
Ratio: 95 °C
Temp: 7 medium-coarse
Grind: 5:00
Total: ~510 ml
Yield

Grind · 7/10 · medium-coarse

FINE COARSE

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Method

5:00 · total

Bloom 1 / 7
0:00

45s

Pour 64g in a spiral. Let it bloom.

+64g→ 64g Spiral 5.8g/s 11s 95°C
Pour 2 / 7
0:45

25s

Pour in a spiral to 170g.

+106g→ 170g Spiral 5.9g/s 18s
Drawdown 3 / 7
1:10

30s

Wait for the level to drop.

30s
Pour 4 / 7
1:40

35s

Pour in a spiral to 340g.

+170g→ 340g Spiral 6.1g/s 28s
Drawdown 5 / 7
2:15

25s

Wait for the level to drop.

25s
Pour 6 / 7
2:40

2m20s

Finish in a spiral to 512g.

+172g→ 512g Spiral 5.9g/s 29s
Done 7 / 7
5:00

Drawdown complete.

Notes

Begin the next pulse only after the water level drops enough to expose the upper bed, but do not let the grounds drain completely dry. Keep each addition low and gentle; coarsen the grind if successive pulses slow sharply as fines migrate.

Original source

Recipe by Chemex, published at chemexcoffeemaker.com.

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Chemex

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In the cup