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Old 11-28-2011, 12:24 AM   #1
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how much water turn over do I need?

I have a 200 gallon aquarium im looking at turning in to a reef and was wondering how many gph i should have currently im running a rio 2500 rated at like 750 gph i think i believe this is low turnover but am planing on setting up an ats and adding 2 of the 500gph jbj's and the duo control unit the ats im hoping to get it running around 5-600 gph would this be enough or should i go with the bigger jbj's the 1600gph ones?
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Old 12-03-2011, 05:44 AM   #2
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I think 15-2 the turnover is fine. I think you need something big, like a Koralia Magnum 8:
Hydor Koralia Magnum Circulation Pump/Powerhead

Curious, is the tank drilled? You can add more turn over to your tank if it is. If not, a good amount of powerheads would work... You also have to consider your rock work, since that can limit your flow too.

If money isn't a factor, I'd get a MP40 or a Tunze Wavebox 6215...
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Old 12-04-2011, 11:09 AM   #3
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15 or 20x k well im currently using one rio 2500 and its blasting 780 gph.. and im going to be hooking up a magnum 330 from marineland (for my ats) its pushes 300+gph so thats going to put me at about 1000 gph putting me at about 5x turn over seems like lots of flow but thats still way low if i need 15 to 20 ....cash is a problem for me right now because i got laid off and its holidays. On top of all that my wife and I just had a kid (8 months ago) so my converting to a reef tank is taking a while...no my tanks not currently drilled but i figure if i got the two jbjs that are about 1600 gph thats going to put me aroud the 4000 gph give or take and if i place the jbjs on oppisite sides of the tank itll create a random flow wishy washy effect does this sound like a good/ feasible plan? Thanks for the help and input
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Old 12-04-2011, 11:14 AM   #4
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If you would like this thread moved to the salt water getting started area let me know. You might get more responses there.
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Old 12-04-2011, 11:22 AM   #5
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I have a 6 foot 125g reef and have 2 1400 koralias and my return which is at about 1200gph. I am hoping to add 2 more powerheads at 750gph or even 1050gph. I dont find it to be too much but just right for my tank. All corals and fish are doing well and there is total circulation in the tank.
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Old 12-04-2011, 12:03 PM   #6
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It depends on what kind of coarls you plan on keeping. I have mostly SPS corals in my 125 and I have 4 Koralia 4's @ 1200gph each plus 1 Koralia 3 @ 850 gph for a total of 5,650 gph. That does not include my sump pump which does about 800 gph.
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Old 12-04-2011, 12:34 PM   #7
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I only want a toadstool a frogspawn and a few zoas... you know to add some color and motion for now i know that the list will grow in time as i see more corals at my lfs or online...
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Old 12-04-2011, 02:06 PM   #8
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Oh and the wife just told me she wants a pipe organ coral not sure how much flow or lighting that one needs but ill make sure that i have enough before i get one..
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Old 12-04-2011, 08:52 PM   #9
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then 15-20 times is fine if thats what you want, but different flow rates are required for different corals
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Old 12-04-2011, 09:11 PM   #10
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Yes, your turn over is fine-as everyone has stated. Just make sure you don't have any dead spots where there isn't any flow. It will keep your tank easier to maintain.
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