Choosing the Best Ground Coffee For Your Espresso Machine If you have an espresso machine you'll need to ensure that the coffee you're using is of the highest quality. This is because espresso machines require a fine grind for the highest extraction. The water flows through the grounds of the https://wwwcoffeeeuk79363.rimmablog.com/29355975/what-experts-in-the-field-want-you-to-be-able-to