Works as expected. For Siebträgermaschine regular cleaning of the brewing unit is a must. The backwash of course, a blind filter for the filter holder is not necessary ...
Watching you may need when the shower tray is made of aluminum, or other aluminum components of the machine, located in the Rückspülkreislauf. In different forums, there are coffee this detailed thread.
The can has a scatter opening in the lid, so that the amount can be dosed well.
In this package size of coffee degreaser is worlds cheaper than the small-portion sachets or the cleaners offered by the manufacturer. Engine brings coffee degreaser in equal-sized containers, even a little cheaper.
1 star deduction, because it goes somewhere else for a few euros cheaper.