It also triples as a health test. If the milk jug starts to melt, please see your doctor.
So check and mate, wifey!
Just find something to stuff with toilet paper and all is well. Even if that something is a freaky ceramic ducky bowl.
When hygiene is involved, it's usually a bad thing.
In case you were wondering: yes, that's a urinal freshener mold.
Who knew there were so many of these? The runner-up