You need this to clean your push-button coffee machine.
Yeah, you do need to clean it sometimes with something more than just water.
A quick story – I had a client one time that had a new machine from me. I asked him again and again when I could train his team (which includes machine cleaning).
He kept putting it off, and after 3 months the whole system stopped working. It took me over six hours to take the damn thing apart and clean it myself…
Not a cheap process