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Chemex 10 Cup

Concentrate 10-Cup

Chemex 10 Cup Chemex by Chemex

This source-free, Chemex-attributed 10-cup preparation brews a concentrated base for later dilution. Its strength supports hot or iced service, while the thick filter keeps the result polished and low in sediment.

1:10 Ratio
4:00 Total
70g Dose
95°C Temp
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Parameters

70 g
Coffee
700 g
Water
1:10
Ratio
95 °C
Temp
6 medium-coarse
Grind
4:00
Total
~700 ml
Yield
Grind · 6/10 · medium
FINE COARSE

What is 6/10 on your Comandante C40 or 1Zpresso? Gota turns it into clicks

Method

4:00 · total
  1. Bloom 1 / 6
    0:00
    28s

    Pour 140g in a spiral.

    +140g→ 140g Spiral 5.8g/s 24s 95°C
  2. Swirl 2 / 6
    0:28
    22s

    Swirl gently. Let it bloom.

    5s
  3. Pour 3 / 6
    0:50
    55s

    Pour in a spiral to 400g.

    +260g→ 400g Spiral 5.9g/s 44s
  4. Pour 4 / 6
    1:45
    55s

    Finish in a spiral to 700g.

    +300g→ 700g Spiral 6g/s 50s
  5. Swirl 5 / 6
    2:40
    1m20s

    Swirl gently.

  6. Done 6 / 6
    4:00

    Drawdown complete.

Notes

Use an even, controlled pour so the high coffee load does not channel, and stir the finished concentrate before portioning. For hot service, combine equal parts concentrate and water; for iced service, pour 150g concentrate over 200g ice and adjust to taste.

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Definitions, ratios and protocols behind this recipe.

Next step

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This exact recipe, step by step on your iPhone — haptics at every pour, live water targets, and a brew log that remembers how the cup turned out.

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Free iOS No signup 1003 recipes by 126 baristas