<a href=showthread.php?s=&postid=11667284#post11667284 target=_blank>Originally posted</a> by Caragol
That tank reminds me of this one posted here a while back:
http://www.youtube.com/watch?v=5InNVJ_Ythc
I would really really love to know how it's done and if it's sustainable for long periods of time without worrying about disaster.