Mineral oil for cooling a heavily overclocked PC.
Non-conductive but the fans wear out sooner from pushing the oil.

switch to a circulation pump?
I'm trying to picture a Geek Squad dude arriving in his nerdmobile, and getting his first peek at this. Horror on his face, or boner in his pants? Maybe both. :haha:
:lol2:...Boner of Horror...:lol2:
DEC VAXs once operated in a tub of water. That even required DEC service techs to have special training,