What to Look For in a Professional Espresso Machine You'll require a machine that has the capability to control the pre-infusion. This is crucial for the development of flavor. PID temperature control is an option that coffee experts are looking for in a professional espresso machine. If you're planning to https://coffeeeuk65228.link4blogs.com/51825938/what-s-holding-back-from-the-buy-espresso-machine-industry