Switch 03 Competition

Hario Switch 03 Hario switch by Hario

Hario's competition-style Switch 03 recipe pursues high extraction through closed-valve immersion and deliberate stirring. The larger format produces a shared brew with pronounced sweetness, structure, and intensity.

1:16.1 Ratio

4:45 Total

28g Dose

95°C Temp

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Parameters

28 g
Coffee: 450 g
Water: 1:16.1
Ratio: 95 °C
Temp: 5 medium
Grind: 4:45
Total: ~450 ml
Yield

Grind · 5/10 · medium

FINE COARSE

What is 5/10 on your Comandante C40 or 1Zpresso? Gota turns it into clicks

Method

4:45 · total

Pour 1 / 8
0:00

10s

Close the switch. Pour 90g gently.

+90g→ 90g Fill gently Valve: Closed 95°C
Swirl 2 / 8
0:10

30s

Stir gently. Let it steep.

5s Valve: Closed
Pour 3 / 8
0:40

35s

Pour the final 360g gently to 450g.

+360g→ 450g Fill gently Valve: Closed
Swirl 4 / 8
1:15

10s

Stir 3 times.

5s Valve: Closed
Steep 5 / 8
1:25

1m30s

Let it steep.

1m 30s Valve: Closed
Prepare 6 / 8
2:55

5s

Open the switch.

Valve: Open
Wait 7 / 8
3:00

1m45s

Wait until it stops dripping.

1m 40s Valve: Open
Done 8 / 8
4:45

Drawdown complete.

Notes

Stir deeply enough to wet the full bed, but stop before fines coat the filter walls. Use clean, soft water and a high-quality light roast; if astringency appears, reduce stirring first, then move the grind slightly coarser.

Original source

Recipe by Hario, published at instagram.com.

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By

Hario

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In the cup