How to Properly Maintain and Clean an Espresso Coffee Machine Espresso machines use pressure to push water through coffee grounds. This type of brewing produces a stronger drink than drip coffee. These machines need 9 bars of pressure to extract flavor from the coffee grounds. Espresso machines are available in https://www-coffeee-uk68197.blogsvirals.com/29259343/the-reason-coffee-machines-espresso-is-fast-becoming-the-hottest-trend-of-2023