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shelf.coffee

Hot concentrate poured straight over ice plus cold water. 1:13 ratio compensates for ice meltdown.

Sweet zone
Yield
300 ml
↕ drag to adjust · 250400 ml
✓ in the sweet zone
Coffee 23g
Ratio 1:13
Temperature 96°C
Roast Light – Medium
Grind Medium
Before you start1
  1. Prep icePut ~120 g of ice in the server/glass before starting.
Steps · 5
01 Brew in chamber — 90 ml Bloom 0:10
02 Pre-infusion 0:40
03 Pulse 1:00
04 Drawdown 1:30
05 Top up — 300 ml Strong 1:50
Glossary2
Bloom
Pre-infusion. A small water dose over the grounds (usually 2x the coffee weight) that releases CO2 from fresh coffee. Without it, extraction gets uneven.
Drawdown
The time between the final pour and the end of drainage. Too long suggests grind too fine or a clogged bed; too short, grind too coarse.