Choosing the Best Ground Coffee For Your Espresso Machine If you own an espresso machine, you'll want to make sure that your ground coffee is of the best quality. This is because espresso machines require a fine grind to extract the highest amount of coffee. Extraction happens when water passes https://wwwcoffeeeuk74477.blog-gold.com/36626100/how-much-do-coffee-espresso-machines-experts-make