How to Properly Maintain and Clean an Espresso Coffee Machine Espresso machines force water through the coffee grounds with pressure. This type of brewing results in a stronger drink than drip coffee. The machines require nine bars of pressure in order to extract the flavor from the ground. Espresso machines https://wwwcoffeeeuk47608.blogsuperapp.com/30283127/7-helpful-tricks-to-making-the-most-out-of-your-coffee-machines-espresso