Choosing the Best Ground Coffee For Your Espresso Machine If you have an espresso machine You'll want to make sure that the coffee you're using is of the highest quality. This is because espresso machines need a fine grind to extract the maximum amount of coffee. The water flows through https://www-coffeee-uk87505.activablog.com/29338049/what-experts-in-the-field-would-like-you-to-learn