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Old 03-24-2008, 01:44 PM   #1
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new powerhead

I just ordered a hydor koralia 3 for my 30 gallon long. it is rated 850. is this too much flow for my tank? i was going to point it at the glass and toward the return pumps flow.
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Old 03-24-2008, 05:19 PM   #2
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You will find those have a cone shaped gentle flow. Is this for SW or FW?
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Old 03-24-2008, 05:26 PM   #3
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SW, 30 gallon long semi reef setup. 40 lbs liverock (25 currently)... im still building
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Old 03-24-2008, 06:01 PM   #4
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You will have to doublecheck your coral's flow needs and choose accordingly.
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Old 03-24-2008, 07:13 PM   #5
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That's a lot of flow for a 30. I have two in my 125 (plus others). Two Koralia 2's might be a better choice for chaotic flow.
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Old 03-24-2008, 08:36 PM   #6
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Two might be better also because you can point one to the surface for good surface aggitation. This will improve PH and aeration.
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Old 03-27-2008, 04:23 AM   #7
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I received the head today and put it in. I honestly can't tell if It is too much flow. It is pumping it out but its not as strong as I expected. My clowns looks like they have to work a little harder, but I can't tell if that is annoying them or if they like it. I'm adding chromis on friday and we'll see how they react. If it pisses them off I might go with the 2 koralia 2's idea. (Are they smaller than the 3? cause 2 of those right in my tiny tank might tick me off)
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Old 03-27-2008, 01:52 PM   #8
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That's what I like about the Koralia's. They produce a wide flow pattern vs. the narrow jet of a MaxiJet and most other ph's. You should be able to tell at feeding time what the flow pattern looks like.
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