Whoa - didn't expect flow control to be such a game changer. I biancafied my lelit Mara and the difference is vast. It's not like my coffee was bad before but this
Lelit MaraX flow control mod : r/espresso
Flow Control: Want it? Need it? Should you have it? - Bella Barista
Mara X Flow Control kit | My Coffee Shop - mycoffeeshop.com.au