How to Properly Maintain and Clean an Espresso Coffee Machine Espresso machines make use of pressure to force water through coffee grounds. This method of brewing creates a stronger drink than drip coffee. These machines require nine bar of pressure in order to extract the flavor from the ground. There https://coffeeeuk06401.imblogs.net/79581798/this-is-the-good-and-bad-about-coffee-machines-espresso