Switch 03 Single Pour

Hario Switch 03 Hario switch by Hario

Hario's Switch 03 guide presents a direct, shareable full-immersion method: a complete pour, a closed-valve steep, and a single release. It prioritizes repeatability, even body, and straightforward daily brewing.

1:16.1 Ratio

4:30 Total

28g Dose

93°C Temp

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Parameters

28 g
Coffee: 450 g
Water: 1:16.1
Ratio: 93 °C
Temp: 5 medium
Grind: 4:30
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

4:30 · total

Pour 1 / 6
0:00

30s

Close the switch. Pour 450g gently.

+450g→ 450g Fill gently Valve: Closed 93°C
Swirl 2 / 6
0:30

10s

Stir 3 times.

Valve: Closed
Steep 3 / 6
0:40

2m

Let it steep.

2m Valve: Closed
Prepare 4 / 6
2:40

5s

Open the switch.

Valve: Open
Wait 5 / 6
2:45

1m45s

Wait until it stops dripping.

1m 40s Valve: Open
Done 6 / 6
4:30

Finish when the coffee stops dripping.

Notes

Confirm the valve is sealed before the pour and wet the entire bed promptly. Level the slurry with a brief gentle motion; if drawdown slows across brews, clean the valve and coarsen slightly rather than adding agitation.

Original source

Recipe by Hario, published at youtube.com.

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