closed loop circulation

[emp]

can anyone give me an idea of a closed loop circulation set up and what it consists of........... thanx

[Nanook]

All you ever wanted to know and more...if you still have questions after reading all that, fire away.

http://reefcentral.com/forums/search.php?action=showresults&searchid=1125275&sortby=lastpost&sortorder=descending



Nanook:)