I'm a big fan of the Senseo coffee machine, and would they no longer want to give up. Contrary to the wheel of a colleague, I then bought to me the Senseo descaler.
It was really what it was prophesied to me: It is pure citric acid, which gives it otherwise for NEN fraction.
Ordered you simply packaged citric acid packets to 50g, the tuts as well and costs a lot less