There are 2 possible to apply it.
1. With a fully automatic (coffee machine) switch on the machine and wait until Ready to interject a tablet in the ground coffee opening. Switch the machine on ground coffee use and turn off the power to the half of the brewing process and after about 15-20min on again wait for the start and another 2 times with water rinse (machine on ground coffee set and no powder / tablet einwerfen-
Option if possible connect to expand the brewing unit and rinse briefly with water as long as it is possible. (Eg Saeco)
2. Fill the water tank, dissolve a tablet and can go through the descaling process. Then everything thoroughly rinse.