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Flow rate?
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Jared Wood View Drop Down
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Joined: January 27 2004
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    Posted: December 06 2010 at 3:46pm
What should be my target flow rate for a 56 gallon display tank?  What size pump should I buy to push water from the sump up to the tank? (about 4 feet up)
If "more is better" is the answer, then so be it. Smile
 
Also, are there any formulas for determining how much water overflows through a 3/4" pbc pipe?  How much gravity driven flow through a 2" pipe?
 
Many thanks.
In the beginning, God created the heaven and the earth ... then He let it cycle.

Have you read my dinosaur theory yet?
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Lewy View Drop Down
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I'm no expert but what I've learned here is for your sump you shouldn't have too much flow.  about what your skimmer can handle.  get the rest of your flow in the display.
40 gal w/ 20 sump
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smacky View Drop Down
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There are links on this page that have that information.

http://www.utahreefs.com/forum/forum_posts.asp?TID=37247
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Jared Wood View Drop Down
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Points: 490 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Jared Wood Quote  Post ReplyReply Direct Link To This Post Posted: December 07 2010 at 11:03am
Thanks Smacky,
Exactly what I needed.
 
Summary:
3/4" pipe with gravity flow is about 11 gpm or 660 gph
1.5" pipe with gravity flow is about 35 gpm or 2,100 gph
In the beginning, God created the heaven and the earth ... then He let it cycle.

Have you read my dinosaur theory yet?
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Jake Pehrson View Drop Down
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Points: 4279 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Jake Pehrson Quote  Post ReplyReply Direct Link To This Post Posted: December 08 2010 at 12:38pm
Keep in mind that depending on how much air you will be pushing down your gravity feed pipe will greatly effect how much flow you will get.
Jake Pehrson

Murray

coralplanet.com

:)
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