Choosing the Best Ground Coffee For Your Espresso Machine If you have an espresso machine, you'll want to ensure that the coffee you're using is of the highest quality. This is because espresso machines require a precise grind for maximum extraction. The water flows through the grounds of the coffee https://www-coffeee-uk00081.techionblog.com/29857404/how-much-do-coffee-espresso-machines-experts-make