High pressure will produce coffee grease (brown-white or coffee-colored very fine foam) which is an indispensable thing for a cup of high-quality coffee (also one of the criteria for judging a cup of espresso)
Note: Many people are wondering why there is a layer of brownish-white or coffee-colored fine foam on the surface of the coffee, which disappears after a few minutes. It is coffee grease, which means that your coffee machine is property well. If you make less coffee, A layer of foam, either your machine is not good enough or coffee beans are not good enough
The best brewing experience meant to satisfy your need for the perfect cup. With this machine, you can enjoy espressos, lattes and cappuccinos every time.
When it comes to milk frothers, this machine takes it seriously with its stainless steel foaming nozzle that's made from cold steel—which means no lumps of sputtering foam are ever in sight.
As far as espresso drinks go, there's not much better than having a personal barista on deck at all times!
