Switch Light Roast

Hario Switch 02 Hario switch by Hario

Hario Europe's official Switch guide tunes immersion for dense light-roast coffee, pairing high heat, a fine grind, and extended contact. The goal is full sweetness and origin clarity without leaving the cup sharp or hollow.

1:16.7 Ratio

9:35 Total

18g Dose

99°C Temp

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Parameters

18 g
Coffee: 300 g
Water: 1:16.7
Ratio: 99 °C
Temp: 4 medium-fine
Grind: 9:35
Total: ~300 ml
Yield

Grind · 4/10 · fine-medium

FINE COARSE

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Method

9:35 · total

Pour 1 / 5
0:00

20s

Close the switch. Pour 300g and stir vigorously to saturate the bed.

+300g→ 300g Fill briskly Valve: Closed 99°C
Steep 2 / 5
0:20

7m40s

Let it steep.

7m 40s Valve: Closed
Prepare 3 / 5
8:00

5s

Open the switch.

Valve: Open
Wait 4 / 5
8:05

1m30s

Wait until it stops dripping.

1m 30s Valve: Open
Done 5 / 5
9:35

Drawdown complete.

Notes

Start with freshly roasted, well-rested coffee and water near 99°C. Grind fine enough for sweetness but watch the release: if it chokes or tastes drying, coarsen slightly before reducing heat or steep contact.

Original source

Recipe by Hario, published at hario-europe.com.

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In the cup