Cleaning staff:
They do not dissolve entirely on ... When the run is finished, you can still find 1 third of the tabs in the coffee grounds container. The nozzles are still does not stay clean and may be plugged. As a note: I always do all cleaning requests of Automats, a lack of care on my part, it is not. Only the 2-3 lead comes out clean water, and then only when I myself "fiddled" in the nozzle have to solve everything.
Descaler:
In little to say except that it is expensive in itself, since you pay the brand to ....
Conclusion: if you do not have to buy them, prefer to buy cheaper brands!