How to Properly Maintain and Clean an Espresso Coffee Machine Espresso machines push water through the coffee grounds by using pressure. This type of brewing results in a stronger drink than drip coffee. These machines require nine bars of pressure to extract the flavor from the ground. Espresso machines are https://wwwcoffeeeuk57769.blogzet.com/a-espresso-machine-success-story-you-ll-never-imagine-44585342