Choosing the Best Ground Coffee For Your Espresso Machine If you own an espresso maker, you'll want to ensure that the coffee you use is of the highest quality. This is because espresso machines require a precise grind for the highest extraction. Water passes through the grounds of the coffee https://coffeee-uk31892.thekatyblog.com/29027527/coffee-espresso-machines-tips-from-the-most-effective-in-the-industry