Hario Switch 02 Hario switch
Open Bloom
by brewnotes.co
Bloom with the valve open as a percolation, then close for the main pour and immersion. The early drip pre-wets the bed; the closed phase builds body before drawdown.
Parameters
- 15 g
- Coffee
- 225 g
- Water
- 1:15
- Ratio
- 92 °C
- Temp
- 5 medium
- Grind
- 3:15
- Total
- 1
- Servings
Method
3:15 · total-
Bloom 1 / 40:00+50g add
To
50g
10s Circular Valve: OpenValve OPEN. Pour 50g as a percolation bloom and let it drip through.
-
Pour 2 / 40:45+175g add
To
225g
30s Slow Valve: ClosedCLOSE valve. Pour to 225g centered and steady.
-
Wait 3 / 42:30Valve: Open
OPEN valve. Let the bed draw down.
-
Done 4 / 43:15
Drawdown complete. Target 3:00–3:30.
Notes
Original source
Recipe by brewnotes.co, published at instagram.com.
More Hario Switch 02 recipes
See all Hario Switch 02 recipes- 01 Ole Bøen Switch Hario Ratio 1:15 Time 3:00 Dose 16g 2020 Norwegian Brewers Cup Champion Ole Kristian Bøen's Hario Switch recipe. A hybrid immersion-percolation method that alternates between closed and open valve to combine the body of immersion with the clarity of pour-over. Ratio 1:15 Time 3:00 Dose 16g
- 02 Closed Bloom brewnotes.co Ratio 1:15.2 Time 2:15 Dose 12.5g A closed-valve immersion bloom on the Switch — the mirror of brewnotes.co's Open Bloom. The grounds steep for 45 seconds before the valve opens, then two percolation pours finish a sweet, balanced 1:15 cup. Ratio 1:15.2 Time 2:15 Dose 12.5g
- 03 Low Temperature Emi Fukahori Ratio 1:12.9 Time 2:55 Dose 17g 2018 World Brewers Cup Champion Emi Fukahori's Hario Switch recipe. Uses three temperature stages — starting cool at 80°C, then hot at 95°C, then cool again at 80°C — to extract different flavor compounds at optimal temperatures. Ratio 1:12.9 Time 2:55 Dose 17g
- 04 Iced Hario Ratio 1:9 Time 2:00 Dose 20g Hario Community's flash iced method for the Switch 02. Concentrated immersion brew released onto ice. Ratio 1:9 Time 2:00 Dose 20g
- 05 Gong Fu Lance Hedrick Ratio 1:16.7 Time 5:00 Dose 15g Lance Hedrick's gongfu-tea-inspired Hario Switch recipe: three sequential closed-valve immersions with fresh water each time, a 75°C "Samo bloom" to preserve volatiles, and a spoon-pour technique that lets the coffee bed do the filtering. Designed to be forgiving across grinders and pours. Ratio 1:16.7 Time 5:00 Dose 15g