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 an even stronger drink than drip coffee. These machines require nine bar of pressure to extract the flavor from the ground. Espresso machines https://wwwcoffeeeuk71680.blogdiloz.com/29162971/8-tips-to-increase-your-coffee-machines-espresso-game