How's it going, If you guys are not aware this is going to be my first SW tank. I just want to get everything straight before I build. So, closed loop or not? I understand this setup(still alittle off on the complete plumbing side of it). I know this is a better setup, and seem to be cheaper than a bunch of internal powerheads but as this is my first SW tank would I just be complicating everything or saving me money and frustration down the line? Thanks,stephen.