Decoding the symbolism, was googling for something else but stumbled on this "enlightening article" (pun intended)
"Decoding Illuminati Symbolism: Water and the Occult Bathtub"
https:// illuminatiwatcher.com/decoding-illuminati-symbolism-water-and-the-occult-bathtub/
http:// archive.is/bUi1b
https:// web.archive.org/web/20170805220008/https:// illuminatiwatcher.com/decoding-illuminati-symbolism-water-and-the-occult-bathtub/