No, the normal machine 9 Pa, do espresso requirements are also 9 afraid, those who say 15, 20 are deceiving, most of this machine is a bad toy machine

Buy espresso machine do not need to look at the pressure, qualified machine pressure is certainly enough to emphasize the pressure of the basic is a bad machine

Suggested that you go to the posting of the bar coffee bar to learn about the coffee knowledge, boutique area has a basic and the machine utensils The best way to learn

There are a lot of bad machines on the market, and if you don't know what you're doing, you're going to get screwed