Choosing the Best Ground Coffee For Your Espresso Machine If you own an espresso machine you will need to ensure that your ground coffee is of the highest quality. This is because espresso machines require a fine grind for maximum extraction. Extraction occurs when water flows through coffee grounds and https://coffeee-uk22618.acidblog.net/60962112/this-is-a-guide-to-coffee-espresso-machines-in-2024