OK i got the pic t post on reef central, here is the link to the twin 180 project, the hole layout for my tanks is like the last post or so. http://www.reefcentral.com/forums/showt ... ost8242502
http://www.reefcentral.com/forums/showt ... did=937420 here is a link I found on reef central about the squid.
I had the HTML posting turned off. Try it again and don't forget to clear the "Disable HTML in this post" option.
I'm planning on a 4" sand bed. What do you think about the suction in the center and two CL returns spread far apart near the ends? This would allow for PVC to run under the sand to the front and across. The sump returns will be up high to provide top-down flow. Remember, this is only a 48" tank.
I have all the flow blowing in from the back, towards the live rock and front glass. I'm not going to use any sand, so I don't have to worry about a sand storm. My sump return will be 1.5' piping, might neck it down to one inch maybe not Ill see how it does. Ill only use a strainer on the 2" suction hole to keep fish and inverts from being sucked into the pump. How much flow are you going to want in the closed loop? Since I'm setting up an acro/millie style tank, I'm going with excessive flow. The type of corals and live stock dictates the amount of flow you will need.
Sounds great Joe, just plan, plan, and plan agen. Overall sounds like you will have one super sweet setup!
Like Joe My overflow will only give me 1200gph output. So that's my limitation. A researching I will go.
The specs look great but the Dart is probably overkill for my system. I noticed the 2" suction and 1.5" discharge sizes which are twice the size of my overflow bulkheads. I have a max of 1200GPH. What would you consider to be the next step or two down from the Dart?
I have two of the panworl/blueline pumps, built quite solid. It should not be too much longer before I get to try them out.
Joe, Just in case you didn't see my other post. I was told today by two different LFS that the Mega Flows can handle double what they are rated at. Now don't take that as fact. When my tank gets here i'll test it w' my mag18 to see if they really can keep up with that flow. If so i'll get me two mag 9.5's. Not sure which of us will have the tank on the stand to test first. You have a big pump around to test it just in case you get water in your tank before me?
I do not have the pump(s) yet. Using this calculator http://reefcentral.com/calc/drain.php a 1" drain can handle 600gph just as All-Glass states. You need 1.43" for 1200gph and no, two 1" holes don't equal one 2" hole. A 2" hole can handle about 2400gph. I thought this was just physics? Have you found any calcs that give different results?
This sounded a little harsh but wasn't intended to be. Just being a little too factual-sounding. Sorry.
