Choosing the Best Ground Coffee For Your Espresso Machine If you have an espresso machine you'll need to ensure that the coffee you use is of the highest quality. This is because espresso machines require a fine grind to ensure maximum extraction. The water flows through the coffee grounds to https://wwwcoffeeeuk77709.tkzblog.com/29711334/what-experts-from-the-field-want-you-to-be-able-to