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Kalita Wave 155

Concentrate Bypass

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Korean-style concentrate and bypass method. Brew a strong concentrate, then dilute with hot water to your preferred strength.

1:14 Ratio
2:40 Total
20g Dose
90°C Temp
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Parameters

20 g
Coffee
280 g
Water
1:14
Ratio
90 °C
Temp
5 medium
Grind
2:40
Total
~280 ml
Yield
Grind · 5/10 · medium
FINE COARSE

Method

2:40 · total
  1. Bloom 1 / 8
    0:00

    Pour 40g of water in 10 seconds.

    +40g→ 40g Spiral 10s
  2. Pour 2 / 8
    0:45

    Pour 40g slowly in circular motion.

    +40g→ 80g Spiral 10s
  3. Pour 3 / 8
    1:10

    Pour 40g with wider circles.

    +40g→ 120g Spiral 8s
  4. Pour 4 / 8
    1:35

    Pour 40g with stronger flow.

    +40g→ 160g Spiral 8s
  5. Pour 5 / 8
    1:53

    Pour final 40g with fastest flow.

    +40g→ 200g Spiral 5s
  6. Wait 6 / 8
    2:10

    Let it drain completely.

  7. Bypass 7 / 8
    2:25

    Add 60-100g of hot water to the brewed coffee as bypass.

    +80g→ 280g
  8. Done 8 / 8
    2:40

    Stir and serve.

Notes

This is a concentrate-and-bypass method. Brew a strong concentrate, then add 60-100g of hot water after brewing. The escalating pour speed controls extraction character — slow early pours extract sweetness, faster later pours add body.

Original source

Recipe by Kalita, published at kalita.co.jp.

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Bloom

0:00

40g

+80g add

10s
Bloom · 1/8 0:00