What to Look For in a Professional Espresso Machine You'll need a machine that has the ability to regulate the pre-infusion. This is important for developing flavor. PID temperature control is an option that many coffee experts look for in an espresso machine that is professional. If you're planning to https://www-coffeee-uk68197.blogsvirals.com/29321089/buzzwords-de-buzzed-10-other-ways-for-saying-buy-espresso-machine