How to Properly Maintain and Clean an Espresso Coffee Machine Espresso machines make use of pressure to push water through coffee grounds. This type of brewing results in a stronger drink than drip coffee. These machines require nine bar of pressure to extract the flavor from the ground. Espresso machines https://www-coffeee-uk53780.newbigblog.com/35748743/why-coffee-machines-espresso-is-the-next-big-obsession