How to Properly Maintain and Clean an Espresso Coffee Machine Espresso machines use pressure to force water through coffee grounds. This type of brewing creates a stronger beverage than drip coffee. These machines require 9 bars of pressure to extract flavor from the coffee grounds. There are three kinds of https://coffeee-uk76929.blogdon.net/20-resources-to-make-you-better-at-espresso-machine-45960450