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Old 11-06-2012, 08:52 PM   #1
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2 750gph powerheads in a 37 gallon?

To much water movement for a 37 gallon?
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Old 11-06-2012, 09:10 PM   #2
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You will have good flow! is it a 36 bowfront?
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Old 11-06-2012, 09:12 PM   #3
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No, a rectangular tank, it's 36x 12
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Old 11-06-2012, 09:18 PM   #4
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That'll put you around 40x turn over without your return/hob filter .. after considering your filtration you may be closer to 50x turn over. For saltwater a good rule of thumb is fowlr-10x or more, softy dominant tank-30x, lps/mixed reef 40x, and sps dominant tank 50x. These numbers aren't set in stone but a good place to start. Every setup is different and will have different needs.
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Old 11-06-2012, 09:20 PM   #5
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Okay thanks! But is it too much circulation for a fowlr 37 gallon tank?
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Old 11-06-2012, 09:23 PM   #6
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What kind of fish will you be keeping?
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Old 11-06-2012, 09:27 PM   #7
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Right now I have a yellowtail damsel, will be getting rid of him in about 2 months because that's when I'll be getting new fish. I don't want the damsel biting the new fish I want to get. I have a coral banded shrimp. I'd like to get 2 clown fish (oscellaris), royal gramma and maybe another one
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Old 11-06-2012, 09:37 PM   #8
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That's a bit high and unnecessary. Have you considered putting them on alternating currents like every 15 seconds for a more natural flow and only 20x turnover at any given time.
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Old 11-06-2012, 09:39 PM   #9
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With it being 12"high you will def have serious water movement. It up to you on how much flow you want.you rocks will divert some of the flow.
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Old 11-06-2012, 09:41 PM   #10
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Ahaha not 12 inches high silly! 12 inches deep hahaha, and I haven't gotten the powerheads yet, and not really, I don't really have a hi-tech setup lol. 2 550gph should be good then? Im planning on putting 1 powerhead on top of the water and one closer to the middle on opposite ends
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