Closed Bloom Pour Over

December Dripper Misc pourover by December Dripper

December's closed-bloom method begins with immersion before switching the adjustable valve to a restricted pour-over flow. The extra bloom contact promotes complete wetting and aims for a sweet, balanced cup with gentle clarity.

1:17 Ratio

3:30 Total

15g Dose

96°C Temp

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Parameters

15 g
Coffee: 255 g
Water: 1:17
Ratio: 96 °C
Temp: 6 medium-coarse
Grind: 3:30
Total: ~260 ml
Yield

Grind · 6/10 · medium

FINE COARSE

What is 6/10 on your Comandante C40 or 1Zpresso? Gota turns it into clicks

Method

3:30 · total

Pour 1 / 4
0:00

25s

Turn the base to shut the flow. Pour 45g gently. Let it bloom.

+45g→ 45g Fill gently Valve: Closed 96°C
Prepare 2 / 4
0:25

5s

Turn the base to open the flow.

Valve: Open
Pour 3 / 4
0:30

3m

Finish in a spiral to 255g.

+210g→ 255g Spiral 5.3g/s 40s Valve: Open
Done 4 / 4
3:30

Drawdown complete.

Notes

Close the valve before adding 15g, then confirm the bloom has no dry pockets with a restrained swirl. Open to the first flow setting before the main pour. If sweetness is muted, grind slightly finer; if the finish dries, open sooner.

Original source

Recipe by December Dripper, published at decemberdripper.com.

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December Dripper

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In the cup