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. The machines require nine bars of pressure in order to extract the flavor from the ground. Espresso https://coffeee-uk59454.dailyblogzz.com/30295000/7-simple-tips-for-rocking-your-espresso-machine