Holy torrent of death, or just right?

[Corbin]

So i had a extra Maxi 600 after grabbing a new skimmer, so i figured id use it in circulation mode, (750gph) and this is the result, doesnt seem healthy!

http://www.youtube.com/watch?v=ePakKmx8_mk

edit: i have it turned off for now. looks like my xenia are gonna go flying lol
should i just use it on powerhead mode (140gph)