Espresso Basics
Puck
The compressed disc of spent coffee grounds remaining in the portafilter basket after extraction. A dry, intact puck indicates good distribution and even water flow; a wet or crumbly puck suggests channeling or grind issues.
Espresso Basics
The compressed disc of spent coffee grounds remaining in the portafilter basket after extraction. A dry, intact puck indicates good distribution and even water flow; a wet or crumbly puck suggests channeling or grind issues.