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Large Batch

by Chemex Chemex 8 Cup

Batch brew method for the 8-cup Chemex. Very coarse grind prevents slow drawdown with larger volumes.

  • Sweet
  • Caramel
  • Medium-bodied
  • Medium roast
  • Long
  • Intermediate
Total
5:30
Ratio
1:15.1
Coffee
53 g
Temp
96 °C

The Large Batch recipe by Chemex for the Chemex 8 Cup uses 53 g of coffee and 800 g of water (1:15.1 ratio), at 96°C, with a target brew time of 5:30.

Parameters

53 g
Coffee
800 g
Water
1:15.1
Ratio
96 °C
Temp
8 extra coarse
Grind
5:30
Total
4
Servings
Grind · 8/10 · coarse
FINE COARSE

Method

5:30 · total
  1. 0:00
    Bloom

    Pour 150g of water in circular motion to bloom.

    +150g 15s Circular
  2. 0:30
    Pour

    Pour 130g of water in circles.

    +280g 15s Circular
  3. 0:45
    Pour

    Pour 130g more.

    +410g 15s Circular
  4. 1:00
    Pour

    Pour 130g more.

    +540g 15s Circular
  5. 1:15
    Pour

    Pour 130g more.

    +670g 15s Circular
  6. 1:30
    Pour

    Final pour: add 130g. Stop pouring.

    +800g 15s Circular
  7. 5:30
    Done

    Full drawdown complete. Remove filter. Swirl carafe to mix.

Notes

The very coarse grind is critical for large batches. Finer grinds cause extremely slow drawdown and over-extraction. Finish all pouring by 1:30. Expect 5-6 minute total brew time.

More Chemex 8 Cup recipes

See all Chemex 8 Cup recipes →

Other Chemex methods

More by Chemex

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Original source

Recipe by Chemex, published at chemexcoffeemaker.com.

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V60
0:00
Pour 2/5
0:30

100g

+50g Add water

3
Wait 0:45
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