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Old 10-29-2012, 06:02 PM   #1
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1400 gph enough for 220g

I am in the planning/building process of a 220g fowlr setup (maybe some corals later). My question is: the tank I am planning on purchasing comes with two overflows. Each 1" bulkhead is rated at 700 gph for a total of 1400 gph, is this a high enough turnover rate for the tank?

I don't know how accurate the rating is on the bulkheads, but even if I drilled bigger bulkheads every return pump I have seen has a return line of 1" which would defeat the purpose of a bigger bulk head.

Any comments are welcome as I am trying to wrap my head around this and want to get this part figured out before too many expensive purchases or drilled glass.

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Old 10-29-2012, 08:28 PM   #2
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that ought to be plenty of flow for a FOWLR setup.
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Old 10-30-2012, 08:18 AM   #3
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Thanks for the reply.

What about if corals are added, will that still be enought flow?
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Old 10-30-2012, 08:25 AM   #4
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For filtration yes. You would need to add powerheads though.
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Old 10-30-2012, 05:03 PM   #5
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Thats why I couldnt wrap my head around it, I forgot to add the powerheads to the overall turnover rate of the tank......thanks
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