№ 353 Hario Switch 03 3:30 1:15 Tetsu Kasuya

Kasuya Super Hybrid — Double Batch Coarse

Tetsu Kasuya's Super Hybrid method for the Switch 03. Coarse grind with mixed temperatures for a complex, full-bodied cup.

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Parameters

Coffee
30 g
Water
450 g
Ratio
1:15
Temp
90 °C
Grind
7 coarse
Total
3:30
Servings
2
Grind · 7/10 · medium-coarse
FINE COARSE

Method

3:30 total
  1. 0:00
    Bloom

    Valve closed. Bloom with 70g.

    +70g 10s slow
  2. 0:40
    Pour

    Open valve. Pour to 180g.

    +180g 20s slow
  3. 1:30
    Pour

    Pour to 300g.

    +300g 20s slow
  4. 2:10
    Pour

    Close valve. Pour to 450g with cooler water at 75°C.

    +450g 20s slow
  5. 2:55
    Wait

    Open valve, drain.

  6. 3:30
    Done

    Drawdown complete.

Next step

Let Gota run the timer.

Step-by-step coaching with haptics at every pour, and a brew log that remembers the cup.

Notes

The coarse grind and lower initial temperature prevent over-extraction during the longer steep. The final pour with 75°C water adds body without bitterness. Valve open for the middle pours creates percolation clarity.

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V60
0:00
Pour 2/5
0:30

100g

+50g Add water

3
Wait 0:45
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