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Old 09-05-2013, 04:09 PM   #1
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powerhead question

I received my Hydor 425 for my 20 my gallon build. Right now my 20 gallon is set up for fresh water but I will be re-doing it in a couple of weeks to salt. Anyway, I thought I would put the powerhead in just to see what kind of flow I would get. To my surprise, it was like a hurricane in there and that was with the powerhead pointing straight ahead. I'm new to salt water tanks. Is the 425 too much for a 20 gallon regular tank? I know that you need more flow in salt tanks but it just looked like a lot to me...

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Old 09-05-2013, 04:20 PM   #2
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I would say not too much, but is a good amount to start with, and you can add more if need be... I have 2 Koralia 1500's alternating in my 40 breeder.

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Old 09-06-2013, 08:13 AM   #3
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I have 2 Hydor 425s in my 20 gallon tank, one pointed up, the other on the opposite side pointed slightly down, alternating via a Hydor Smart Wave controller.
20 gallon nano-reef torn down to make way for the 40B Reef. I also have two 5 gallon fresh
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powerhead, question

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