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Old 07/25/2007, 08:52 PM   #1
mhhauser321
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Optimal Powerhead Placement

So what do you know about finding the right powerhead placement.

In my situation I just have One Powerhead going into my 15 gallon along with the return line.

Are there certain strategies for this kind of thing that i don't know about or is it just a hit and miss kind of thing?

I am trying to learn what I need to know to have the best coral growth and water movement in the aquarium.

I know about the basics off water movement I just don't know where to place a powerhead to provide this.

What are some tips and advice for this situation?

also any articles would be helpfull.

matt


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Old 07/26/2007, 11:45 AM   #2
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Typically most people place their P/Hs in the back corners aiming them toward the middle of the front panel. This will depend on your rockwork to get the optimal flow. It is trial and error to get the optimal flow for each tank since each tank is different. In my tank, I have the P/Hs opposite of the above since my rockwork in pile high against the back of my tank. So, the P/Hs are in the front corners aiming toward the middle of the back panel. I have seen some tanks with the P/H line up on the back panel facing the front panel. IMO, you do not want any dead spot in your tank. This will keep detritus from settling and help bring food to the corals and remove coral's waste.


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Old 07/26/2007, 12:34 PM   #3
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I have three P/H's. One on top left flowing right and one equal powered one low on the right causing a circular flow. My LR is set on top of smaller base rock so water flows under the LR too. My other P/H flows behind my LR to mitigate detritus buildup.


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Old 07/26/2007, 12:37 PM   #4
mhhauser321
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Thanks alot I appriciate the info.

So there are really no articles out there about this or real strategies, its just trial and error.

I know there are articles about water movement and so forth but for p/h placement its just a guessing game.


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Old 07/26/2007, 12:42 PM   #5
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No articles that I'm aware of. It's mostly personal preference and where you want to place corals as it relates to flow etc.


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Old 07/26/2007, 12:43 PM   #6
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It is something that will be dictated by many factors in the tank--rock and coral positioning, tank shape, etc. You will just have to experiment and find the best placement for your tank.


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Old 07/26/2007, 01:48 PM   #7
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Can you point a powerhead directly at rock structure?


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Old 07/26/2007, 01:49 PM   #8
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of course you can, but is it good or bad

sry
matt


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Old 07/26/2007, 02:00 PM   #9
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Quote:
Originally posted by mhhauser321
of course you can, but is it good or bad

sry
matt
The only harm is if you have a coral that doesn't like high flow at or near the place on the rock where you'll be directing the flow. At times I've directed mine at a rock to diffuse or re-direct the flow.


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Old 07/26/2007, 02:27 PM   #10
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optimal placement is where the most dead spots are eliminated and corals receive the appropriate flow. of course what is appropriate depends on the corals you keep. e.g. acroporas need completely different flow that do mushrooms and leathers.


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Old 07/26/2007, 02:41 PM   #11
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I would imagine that if you point it straight at the LR that spot will likely remain pretty bare, but if it's out of sight then it doesn't really matter. I have a 10G nano with a HOB refugium that pumps out a ton of water across the top towards the front, flows down the front of the tank and then back for a strong circular flow (like a wheel rolling towards you). Then I have a maxijet in the top left back corner that pumps to the right and against the glass to create some cross-current.


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