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NextLevel Pulsar
NextLevel Pulsar Nextlevel by Caleb Schwarz

Caleb Schwarz's Pulsar V1 recipe uses a closed-valve bloom, then opens the valve fully and builds the brew in two large additions. A strong first swirl and a light final swirl maximize acidity and clarity for a juicy cup.

1:17.3 Ratio
3:00 Total
22g Dose
93°C Temp
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You'll need

  • WDT tool Optional

    A cluster of fine needles used to stir and de-clump the coffee bed (Weiss Distribution Technique) for even saturation.

Parameters

22 g
Coffee
380 g
Water
1:17.3
Ratio
93 °C
Temp
5 medium
Grind
3:00
Total
~380 ml
Yield
Grind · 5/10 · medium
FINE COARSE

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Method

3:00 · total

Before you brew

  1. 1 Close the valve. Wet the filter-support ridges, fit the filter, open the valve to drain the base, then close it again and insert the barrel.
  2. 2 Add 22g of coffee and level the bed with a WDT tool.
  3. 3 Fit the dispersion cap, then tare the scale.
  1. Bloom 1 / 5
    0:00
    20s

    With the valve closed, pour 45g, then perform wet WDT to saturate all the coffee.

    +45g→ 45g Valve: Closed 93°C
  2. Pour 2 / 5
    0:20
    10s

    Open the valve fully, then pour to 280g.

    +235g→ 280g Valve: Open
  3. Swirl 3 / 5
    0:30
    1m

    Swirl vigorously.

    Fill briskly Valve: Open
  4. Pour 4 / 5
    1:30
    1m30s

    Finish pouring to 380g, then give the brewer a light swirl.

    +100g→ 380g Valve: Open
  5. Done 5 / 5
    3:00

    Finish when the coffee stops dripping.

    3m–4m

Notes

Grind coarser for coffees that produce many fines. Shorten the brew ratio for more developed coffees.

Grinder

600 µm gap (9.5 on stock 078 burrs).

Original source

Recipe by Caleb Schwarz, published at nextlevelbrewer.com.

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Next step

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This exact recipe, step by step on your iPhone — haptics at every pour, live water targets, and a brew log that remembers how the cup turned out.

  • Audio and haptic cues per step
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Free iOS No signup 1023 recipes by 130 baristas