mineral oil based cooling is well known in enthusiast PC builds but it leaves weird gunk on boards that is harmless but a big PITA to clean up. Also - some oil

mineral oil based cooling is well known in enthusiast PC builds but it leaves weird gunk on boards that is harmless but a big PITA to clean up. Also - some oils while won't hurt your circuits, they might start dissolving the various plastic connectors on cables and board.