ROK GC Optimizedby Home-Barista ROK GC Thread | ROK15g / 130g | 1:2 (yield) | 100°CSteps

Soak portafilter in boiling water for 2 min + 2 flushes

Add 15g, WDT, tamp

Add boiling water

Lower arms until resistance, hold 5-8 seconds

Gentle for first 5 seconds, ramp to full pressure over next 5 seconds

Maintain pressure until extraction complete (25-35 seconds)

NotesUses boiling water to compensate for heat loss. Short pre-infusion to prevent channeling. Gradually ramp pressure.← All Recipes