Technique
Pre-infusion
The initial phase of espresso extraction where low-pressure water saturates the puck before full 9-bar pressure is applied. Reduces channeling and promotes even extraction. Duration varies from 2-8 seconds. Some machines do this automatically.
Frequently Asked Questions
What is Pre-infusion in coffee?▼
The initial phase of espresso extraction where low-pressure water saturates the puck before full 9-bar pressure is applied. Reduces channeling and promotes even extraction. Duration varies from 2-8 seconds. Some machines do this automatically.