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Old 09-12-2007, 01:56 PM   #1
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How much flow is too much flow?

How much flow is too much flow?

I just picked up two Aquaclear 802's (400gph) from Petsmart (27.99 online - pricematched down from 56.99!!!). Will this be too much flow for my 40B with live rock and corals (at some point)?
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Old 09-12-2007, 02:25 PM   #2
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How much flow is too much flow?

If my math is correct, that should be about 20x overturn. That is probably a good flow rate for your tank. Too much flow would be indicated if your fish can't swim around without being knocked all over the place.
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Old 09-12-2007, 05:13 PM   #3
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Ah, good idea. I am still in the setup stages, so I don't have any fish in. I bet I can turn down the output if need be though.
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Old 09-12-2007, 08:18 PM   #4
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I think you`ll be OK. Like Scott said you`ll be able to tell by how much your fish and corals are getting knocked around.
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