Poolfloater 3" Chlorinetablets

This is a container for the big 200 gr chlorine tablets.
I got the inspiration for the model from here https://www.thingiverse.com/thing:2477608.

It is important to say that at least 2mm of the outer wall must be printed in order to make the swimming tank watertight.

I made the first attempt with PETG, but I printed the final container in PP.