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Kalita Wave 155

Concentrate Bypass

Kalita Wave 155 Kalita by Kalita

Kalita's Korean-style Wave 155 method brews a compact concentrate before a hot-water bypass. Slow early pours favor sweetness, while quicker later pours build body, yielding a strong cup whose final intensity is easy to tune.

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

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Method

2:40 · total
  1. Bloom 1 / 8
    0:00
    45s

    Pour 40g in a spiral. Let it bloom.

    +40g→ 40g Spiral 4g/s 10s 90°C
  2. Pour 2 / 8
    0:45
    25s

    Pour in a spiral to 80g.

    +40g→ 80g Spiral 4g/s 10s
  3. Pour 3 / 8
    1:10
    25s

    Pour in a spiral to 120g.

    +40g→ 120g Spiral 5g/s 8s
  4. Pour 4 / 8
    1:35
    18s

    Pour in a spiral to 160g.

    +40g→ 160g Spiral 5g/s 8s
  5. Pour 5 / 8
    1:53
    17s

    Pour in a spiral to 200g.

    +40g→ 200g Spiral 8g/s 5s
  6. Wait 6 / 8
    2:10
    15s

    Let the bed draw down completely.

  7. Bypass 7 / 8
    2:25
    15s

    Pour the bypass water into the cup to dilute the concentrate.

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

    Diluted and ready to drink.

Notes

Keep the slurry low and pour gently at first, then increase flow without striking the filter walls. Add 60-100g of hot bypass water in stages, tasting between additions so clarity improves without making the cup hollow.

Original source

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

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2:30 Total

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