Choosing the Best Ground Coffee For Your Espresso Machine If you own an espresso maker you'll need to ensure that the coffee you're using is of the highest quality. This is because espresso machines need a fine grind to extract the highest amount of coffee. Extraction occurs when water flows https://coffeee57011.blogripley.com/30418794/15-startling-facts-about-coffee-espresso-machines-the-words-you-ve-never-learned