Amazon fire stick sorted my parents’ tv out when the built-in apps became unsupported. Could be a relatively cheap option with back friday around the corner…

Citric acid is a good shout, but if you can get hold of sulfamic (NOT sulfuric) acid, it is much faster at removing limescale as it is a stronger acid. It does cost a bit more though…

I’m going to go out on a limb here and assume OP is only referring to sex hormones, though this could have been made clearer in the question…

Given that hormones control most of the processes occurring in our bodies, there wouldn’t be a society as there wouldn’t be any individuals