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Hario Switch 02

Low Temperature

Hario Switch 02 Hario switch by Emi Fukahori

Emi Fukahori, the 2018 World Brewers Cup champion, shared this Switch approach through European Coffee Trip. Cool, hot, then cool water stages shape a fragrant, sweet cup while controlling bitterness and finish.

1:12.9 Ratio
2:55 Total
17g Dose
80°C Temp
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Parameters

17 g
Coffee
220 g
Water
1:12.9
Ratio
80 °C
Temp
7 coarse
Grind
2:55
Total
~220 ml
Yield
Grind · 7/10 · medium-coarse
FINE COARSE

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Method

2:55 · total
  1. Bloom 1 / 8
    0:00
    10s

    Close the switch. Pour 50g in a spiral.

    +50g→ 50g Spiral 5g/s 10s Valve: Closed 80°C
  2. Steep 2 / 8
    0:10
    50s

    Let it steep.

    50s Valve: Closed
  3. Prepare 3 / 8
    1:00
    5s

    Open the switch.

    Valve: Open
  4. Pour 4 / 8
    1:05
    55s

    Pour in a spiral to 150g.

    +100g→ 150g Spiral 1.8g/s 55s 95°C Valve: Open
  5. Drawdown 5 / 8
    2:00
    10s

    Let the water drop through.

    10s Valve: Open
  6. Pour 6 / 8
    2:10
    25s

    Finish pouring to 220g.

    +70g→ 220g 3.5g/s 20s 80°C Valve: Open
  7. Wait 7 / 8
    2:35
    20s

    Wait until it stops dripping.

    20s Valve: Open
  8. Done 8 / 8
    2:55

    Drawdown complete.

Notes

Prepare separate kettles so the first and final additions stay at 80°C while the middle pour reaches 95°C. Keep transitions prompt: the hot stage drives extraction, while the cooler finish limits harshness.

Original source

Recipe by Emi Fukahori, published at europeancoffeetrip.com.

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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.

  • Audio and haptic cues per step
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Free iOS No signup 1003 recipes by 126 baristas