Aqaurium/pond pumps are crap, ive tried em all. Peristaltic pumps work.
I cool my SBIG till its dripping wet, stuff it, suffer for art, with a bucket of iced water. Bad idea according to this thread , read it, its good
http://www.iceinspace.com.au/forum/s...ad.php?t=81592
Its still going , so ill keep torturing it.
The tubes etc arnt a prob with a bit of management.