Question about Rs Pro Limescale protection water softener

First of all, the appliance is a lime converter.
The limescale is dissolved and not removed.
After about 2-3 months, you can actually see that limescale is deposited in the Perlatpren and it is easier to descale the water surface and the coffee machine.
However, there is still limescale in the water.
If you want to decalcify properly, you urgently need a softening system!
It is also advisable to use a larger pipe width, as the flow pressure in the water pipe decreases considerably.
After about 2 years, the performance of the device decreases.
No maintenance or cleaning is necessary or possible.