Super Hybrid — Double Batch Coarse

Hario Switch 03 Hario switch by Tetsu Kasuya

Tetsu Kasuya's Super Hybrid for the Switch 03 — a coarse-ground hybrid that toggles the valve between immersion and percolation and finishes with a cooler pour. Scaled as a double batch for two.

1:15 Ratio

3:30 Total

30g Dose

90°C Temp

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Parameters

30 g
Coffee: 450 g
Water: 1:15
Ratio: 90 °C
Temp: 7 coarse
Grind: 3:30
Total: ~450 ml
Yield

Grind · 7/10 · medium-coarse

FINE COARSE

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Method

3:30 · total

Bloom 1 / 7
0:00

40s

Close the switch. Pour in a spiral to 70g. Let it steep.

+70g→ 70g Spiral 5.8g/s 12s Valve: Closed 90°C
Pour 2 / 7
0:40

50s

Open the switch. Pour to 180g.

+110g→ 180g 5.5g/s 20s Valve: Open
Pour 3 / 7
1:30

40s

Pour to 300g.

+120g→ 300g 5.5g/s 22s Valve: Open
Pour 4 / 7
2:10

5s

Close the switch. Pour the final 150g gently to 450g.

+150g→ 450g Fill gently 75°C Valve: Closed
Prepare 5 / 7
2:15

5s

Open the switch.

Valve: Open
Wait 6 / 7
2:20

1m10s

Let the bed draw down completely.

Valve: Open
Done 7 / 7
3:30

Finish when the coffee stops dripping.

Notes

The coarse grind and the lower brewing temperature keep the long immersion from over-extracting, while the cooler final pour adds body without drawing out bitterness. Adjust the grind to land the drawdown near 3:30 total.

Original source

Recipe by Tetsu Kasuya, published at youtube.com.

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