Choosing the Best Ground Coffee For Your Espresso Machine If you own an espresso machine you will want to make sure that the coffee you grind is of the best quality. This is because espresso machines require a fine grind for the highest extraction. Water passes through the coffee grounds https://wwwcoffeeeuk62097.tribunablog.com/the-reason-why-everyone-is-talking-about-coffee-espresso-machines-right-now-44204782