How to Properly Maintain and Clean an Espresso Coffee Machine Espresso machines push water through the coffee grounds via pressure. This type of brewing makes a stronger beverage than drip coffee. These machines require 9 bar of pressure to extract flavor from the grounds. Espresso machines are available in three https://coffeee-uk57600.dbblog.net/3035792/how-to-tell-if-you-re-ready-for-coffee-machines-espresso