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Old 10-09-2011, 10:27 PM   #1
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How much circulation is to much?

I have a 100 gallon tank 5 feet long, 20 inches high. and i have 2 circulation pumps rated at 950 GPh. is this too much? i feel likes its a bit of over kill.
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Old 10-09-2011, 10:34 PM   #2
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I have a 90 gallon reef tank with two 1050s, so I think you are fine as long as the fish are not struggling you are ok.
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Old 10-10-2011, 02:38 PM   #3
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I have 2 1400's in my 125g and a return of about 1200gph and my tank does just fine.

In my opinion you really can't have enough flow, well most of the time LOL
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Old 10-10-2011, 09:12 PM   #4
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I have 2 koralias (1400gph) in my 150 and I think it works just fine. I think my pump is 1000-1500 gph but I forget.
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Old 10-10-2011, 09:26 PM   #5
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it all depends what you want from your system, with some LPS corals, if the flow is to high you can pull the flesh off the skeleton but when it comes to SPS corals you may need up to 50x the turn over
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Old 10-10-2011, 09:39 PM   #6
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I have 2 1400's in my 125g and a return of about 1200gph and my tank does just fine.

In my opinion you really can't have enough flow, well most of the time LOL
I agree with this..They are used to tides and currents we could never duplicate
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Old 10-10-2011, 09:49 PM   #7
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Quote:
Originally Posted by freppy16 View Post
I have a 100 gallon tank 5 feet long, 20 inches high. and i have 2 circulation pumps rated at 950 GPh. is this too much? i feel likes its a bit of over kill.
IMO, not even close.
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Old 10-10-2011, 10:45 PM   #8
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Quote:
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I agree with this..They are used to tides and currents we could never duplicate

the deeper the reef is the less those tides and currents are, also the reasons SPS like high currents and high light, because they usually grow closer to the waters surface where the light and currents are stronger


a basic rule of thumb is start with 10x the tank volume for a FOWLR, when you go reef soem corals require higher flow so you could bump it upt to 20 or 30 times so in a 100g that is 60" long you might want to go with two 1200 on either end and two 750s in the middle pointing to the from corners of the tank and at the surface to give more surface agitation
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Old 10-13-2011, 01:23 AM   #9
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The only problem with using that much is, it kicks up the sand in the corners of my tank and ill have no sand in those area's.
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Old 10-13-2011, 07:29 AM   #10
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i have two koralia 550s in my 26g and i have no problem with sand being pushed
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