Coated shower cabin - 8 weeks old - how to remove limescale

I have a question about that: So is the same enclosure with coating not worth it at all? Would the "normal" shower enclosure also do?

I would (will) save the money for our upcoming new build. The same applies to the Wondergliss coatings on the sanitary objects. In our current bathroom, we have two washbasins and somehow only use one of them (there's always some stuff lying in one). After some time - I would guess about 10-12 months - water beaded off really well in the basin that was hardly used, the other basin had (and still has) a lotus effect like grandma's washbasin from the potato wars era :mad:

All just marketing. Even our soft water system only helps to a limited extent.

We don’t even wipe it off, we just spray two or three squirts of mild glass cleaner from a spray bottle on it and rinse it off with cold water (the last person to shower in the morning just does it - the spray bottle is in the shower). Already 7 or 8 years old with no signs of aging or limescale - and the cold water still beads well, despite hard water in our area.

Just used vinegar cleaner - the success is limited. It really looks like the limescale has "eaten in" - after just 8 weeks!

Try again with citric acid, let it work lukewarm (I'll leave the how to you ;))