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Old 12-08-2014, 09:47 PM   #1
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Question about Koralia 425 gph powerhead

Hi all,

I have started a brand new 45 gallon setup. My tank is 36 x 24 x 12 (length x Height x depth). I bought two Koralia Nano 426 gph powerheads. When I powered them on their flow rate do not seem to be powerful. My question is do they need to be broken in before they pick up the flow or do I need more powerful ones?

Thank you
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Old 12-08-2014, 10:00 PM   #2
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Quote:
Originally Posted by ssky View Post
Hi all,

I have started a brand new 45 gallon setup. My tank is 36 x 24 x 12 (length x Height x depth). I bought two Koralia Nano 426 gph powerheads. When I powered them on their flow rate do not seem to be powerful. My question is do they need to be broken in before they pick up the flow or do I need more powerful ones?

Thank you
they arent direct flow.

for example you were expecting all their power in one direction like this ------

however they offer a flow pattern like this <--

So it is 425 gph just in a more general range. If you want to upgrade them or buy a couple more if you are not satisfied.
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Old 12-08-2014, 10:09 PM   #3
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Thanks for replying. So having two 425 gph plus my canister filter 200 gph should provide me with adequate turnover of more than 20 x. Correct? How should I make sure that I don't have any dead spots? Any idea how and where I set up these two power heads?.

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Old 12-08-2014, 10:12 PM   #4
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see if detritus is building up in one spot and lots of random flow.
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