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Old 10-17-2013, 01:57 PM   #1
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Help me pick a return pump

The title says it all, tank is 150gl wide and I think the overflow is 2" PVC (it may be bigger!). I purchased it already drilled. It's currently at my mothers an hour away, she's got a huge basement where we built the stand. I'm going there Sunday so I could check the exact size. I'm quite sure I have to go external because the sump is drilled in a low corner. Just looking for suggestions on size and brand. Thanks in advance for help!
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Old 10-17-2013, 03:45 PM   #2
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I was looking recently and seems that Danner Mag Drive or Lifegard Aquatics Quiet One are both quality at a good price. I ended up with a Mag Drive. I'm not sure about what size...I'm sure someone else will know.
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Old 10-17-2013, 03:53 PM   #3
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Go on champion lighting and supply.com they have a good selection of external pumps with gph. Great dealer with hard to find parts also. Little giant pumps and others. Find out drain size but this will give you a idea.
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Old 10-17-2013, 04:16 PM   #4
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I would go with a reeflo. I've always had good luck with them. A Snapper or perhaps that new Trident "high" pump.
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Old 10-17-2013, 04:49 PM   #5
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Iwaki, I have pumps that have run 20 years with zero problems.
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Old 10-17-2013, 04:52 PM   #6
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Quote:
Originally Posted by Gregcoyote View Post
Iwaki, I have pumps that have run 20 years with zero problems.
That's impressive!
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Old 10-17-2013, 11:20 PM   #7
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Any advice on GPH?
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Old 10-18-2013, 09:50 AM   #8
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Depends on what the overflow is rated for and the vertical distance from where the pump will sit to the top of the output in the display tank.
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Old 10-18-2013, 12:35 PM   #9
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Depends on what the overflow is rated for and the vertical distance from where the pump will sit to the top of the output in the display tank.
How do I figure this out? I've seen the chart floating around here to figure out the head loss but if I don't know what size of pump what kind of results should I be looking for to figure out the pump size?

Can I use this?

http://www.reefcentral.com/index.php...oss-calculator
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Old 10-18-2013, 12:58 PM   #10
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Yes you can use that. but you need to find out the max flow of your overflow. Aquarium manufacturer should be able to tell you this. Then you need to match return pump flow rate after headloss to the same or just under the flow rate of the overflow.
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