Recommend a mini powerhead - The Planted Tank Forum

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post #1 of 20 (permalink) Old 05-05-2013, 06:16 PM Thread Starter
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Recommend a mini powerhead

So I built a diy reactor for my fx5 and had to town down the flow to te poor that the co2 had time to dissolve with out being pushed out.

Now I'm thinking maybe I Should put a small powerhead on the opposite side of the tank to increase flow.

Can someone recommend a small powerhead that is tiny fish (cpd) safe. Ideally a magnetic induction one with out the cord not the tank

Cheers!
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post #2 of 20 (permalink) Old 05-05-2013, 06:21 PM
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If you want the cord out of the tank, a Vortech MP 10 would be your only option.

However I'd go with a Koralia 425 or 750 for your need
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post #3 of 20 (permalink) Old 05-05-2013, 06:54 PM Thread Starter
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Recommend a mini powerhead

Excellent thank you. Would it be better to place it at the top or near the substrate?
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post #4 of 20 (permalink) Old 05-06-2013, 12:45 AM Thread Starter
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Recommend a mini powerhead

Would shrimp get sucked into it or should they be safe?
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post #5 of 20 (permalink) Old 05-06-2013, 02:47 AM
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I actually saw one of my adult CRS holding on my koralia 240 outlet today eating. But I bet a baby would have been sucked in. I have a prefilter over the inlet but not the outlet and I see floating crud get sucked in the outlet side sometimes
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post #6 of 20 (permalink) Old 05-06-2013, 04:54 AM Thread Starter
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Recommend a mini powerhead

Do u have a pic of the pre filter? Was it a diy?
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post #7 of 20 (permalink) Old 05-06-2013, 11:31 AM
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Recommend a mini powerhead

You have a fx5. The flow shouldnt be that bad.

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post #8 of 20 (permalink) Old 05-06-2013, 12:08 PM
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even if a baby is sucked into a koralia, its likely to just be pushed out. its not a compression housing. this is why the flow is smooth and even.
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post #9 of 20 (permalink) Old 05-06-2013, 02:01 PM Thread Starter
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Recommend a mini powerhead

I turned the fx5 down by about 30% to give the co2 more time to dissolve in my reactor. I don't see as much plant movement along the front side of the tank. Just barely moving compared to a gentle sway before which is why I have a need for more flow.
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post #10 of 20 (permalink) Old 05-06-2013, 02:02 PM Thread Starter
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Recommend a mini powerhead

Is it even worth a pre filter or just leave it as Is? Also does placement (higher or lower) make much of a difference?
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post #11 of 20 (permalink) Old 05-06-2013, 03:56 PM
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i'd keave as is, and placement will really depend on ur tank setup. generally u want it to work with ur spray bar and not against. so set around the same height and same general direction
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post #12 of 20 (permalink) Old 05-06-2013, 05:10 PM Thread Starter
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FX5 is in back left pointing right. I was thinking of putting the powerhead in the back right pointing forwards to keep the circular motion going in the tank.

I mainly just want to make sure there is enough flow for all the plants to flourish
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post #13 of 20 (permalink) Old 05-06-2013, 05:39 PM Thread Starter
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post #14 of 20 (permalink) Old 05-06-2013, 05:53 PM
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Koralia's are great. For my 10 gallon, i got a 240 nano, but that was too much flow, more suited for a 20 gallon or so. I ended up getting a rio 50. Smallest they had and it came with a ball valve to adjust flow. It still provides too much flow but thankfully i could adjust it.

One thing I would like to note. Rio although its more of an eyesore to look at, i like it more for the attachments, the flat nozzle does a great job spreading flow and i point it up to agitate the surface. Also if you got shrimp, juvies will get sucked into the koralia, on the rio, I actually put filter floss and tied it down to block the intake vents and the shrimp cant get sucked all the way in.
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post #15 of 20 (permalink) Old 05-06-2013, 07:23 PM Thread Starter
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is it worth warping the koralia in pantyhouse or some sort of a black mesh to keep the shrimplets safe? theres none in the tank but once some of my shrimplets grow up a bit i will be adding them in
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