Iced

Hario Suiren Hario others by Hario

From Hario's Suiren guide, this flash-chilled method brews a concentrated extraction directly over ice. Rapid cooling preserves aromatic lift while the dripper's open airflow supports clarity, yielding a crisp, refreshing iced cup.

1:10 Ratio

2:15 Total

18g Dose

96°C Temp

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Parameters

18 g
Coffee: 180 g
Water: 1:10
Ratio: 96 °C
Temp: 4 medium-fine
Grind: 120 g
Ice: 2:15
Total: ~300 ml
Yield

Grind · 4/10 · fine-medium

FINE COARSE

What is 4/10 on your Comandante C40 or 1Zpresso? Gota turns it into clicks

Method

2:15 · total

Before you brew

1 Add 120g of ice to the server

Bloom 1 / 5
0:00

10s

Pour in a spiral to 35g.

+35g→ 35g Spiral 5.8g/s 6s 96°C
Swirl 2 / 5
0:10

25s

Swirl gently. Let it bloom.
Pour 3 / 5
0:35

25s

Pour in a spiral to 100g.

+65g→ 100g Spiral 5.4g/s 12s
Pour 4 / 5
1:00

1m15s

Pour in a spiral to 180g.

+80g→ 180g Spiral 5.7g/s 14s
Done 5 / 5
2:15

Finish when the coffee stops dripping.

Notes

Load the server with 120g and brew directly onto it, then swirl until chilling and dilution are uniform. Use a finer grind than for hot coffee; if the ice remains mostly intact and the cup is strong, extend the swirl before changing grind.

Original source

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

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