Choosing the Best Ground Coffee For Your Espresso Machine If you own an espresso maker you'll need to ensure that the coffee you use is of the highest grade. This is because espresso machines require a fine grind for maximum extraction. Extraction is when water passes through coffee grounds and https://coffeeeuk77599.arwebo.com/52967164/why-is-everyone-talking-about-coffee-espresso-machines-right-now