This Hario Switch 02 recipe uses 20g of coffee and 280g of water, splitting the brew between a 90°C open-valve percolation and a 70°C closed-valve immersion. Prepare both water temperatures before starting so the transition is immediate and repeatable, and let the hot percolation phase drain fully before closing the valve. If sweetness is muted, refine your grind size before raising the cooler immersion temperature.
Bean
Not specified by the source (see notes)
Roast
Method
Hybrid
Grind Size
Medium-fine
Water Temp
90°C
Coffee Dose
20g
Total Water
280ml
Total Time
180s
Step-by-Step
Pour (30s) · 60g Open the switch. Pour in a spiral to 60g with 90°C water; keep valve open for 30 seconds.
Pour (40s) · 60g Pour in a spiral to 120g; keep valve open for 40 seconds.
Close Switch (5s) Close the switch to shut the valve within 5 seconds.
Pour (15s) · 160g With valve closed, pour in a spiral to 280g with 70°C water over 15 seconds.
Steep (15s) Let it steep with the valve closed for 15 seconds.
Open Switch (5s) Open the switch to open the valve within 5 seconds.
Wait (70s) With valve open, wait 70 seconds until dripping stops.