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Old 01-25-2007, 04:38 PM   #1
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Flow help for my reef setup

Hey all,

I'm trying to decide how to place my powerheads so that everything gets flow. I'm finding it very difficult to meet the needs of every coral.

Currently, I have 2x SEIO 820, each pointing toward the front middle making a V shape, and creating a lot of flow. Is this too much for frogspawn/torch coral? They seem to have gone back inside their sticks now. I don't know whether it's because of the recently changed flow or too much.
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Old 01-25-2007, 05:52 PM   #2
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Be careful that you dont kill off your torch and frogspawn with too much flow. I ended up having a couple heads of my torch and hammer coral die from tissue dammage from too much flow. I know you stated that you wanted flow info but you`ll need to find out how much flow is needed for each coral. Some corals need alot and some need moderate flow while some dont need much at all. Just be careful that you dont overdo it on the flow. I hope all goes well
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Old 01-25-2007, 06:14 PM   #3
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I lost 2-3 heads on the torch when I first added it to my tank, but the other 4 heads are doing really well with the new flow setup. The frogspawn is doing the best by far. I'll see how it goes in a few days and make changes if necessary.
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Old 01-25-2007, 06:14 PM   #4
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Can't you place'm outside that main flow area in any way? I have medium flow on mine and they do well.
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Old 01-25-2007, 10:24 PM   #5
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Well they're just in the front left portion of the tank. I tried setting both powerheads to low flow and the V still causes too much flow.

I'm just gonna have one aim from back corner to front center, other aim along back wall
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Old 01-26-2007, 09:13 AM   #6
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That's going to create a circular pattern which will end up creating more dead spots in the tank. Personally I'd set them pointing directly at each other to create more randomness in the flow and move the corals to a lower flowing area like the ends below the PH which will have less flow then the middle.

I noticed in your photos that you aren't using the directional snout and if you do it will slightly cut the flow and give you better control.
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Old 01-26-2007, 10:11 AM   #7
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I have 4 of those in my 125G. I set them up in an uoside down V and have the dividers pointing at the surface. You can also move some rock around to divert direct flow to the corals that don't need high flow.
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Old 01-26-2007, 10:13 AM   #8
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Quote:
Originally Posted by tecwzrd
That's going to create a circular pattern which will end up creating more dead spots in the tank. Personally I'd set them pointing directly at each other to create more randomness in the flow and move the corals to a lower flowing area like the ends below the PH which will have less flow then the middle.

I noticed in your photos that you aren't using the directional snout and if you do it will slightly cut the flow and give you better control.
When I first set the PH up I noticed that removing those bottom pieces made the flow about 5x as much - or at least it feels that way.

I just tried aiming them at each other across the back wall - but the protein skimmer box is there and it messes everything up.

I was hoping not to rearrange the rocks as the corals fit very neatly into the places they are now.
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Old 01-26-2007, 10:41 AM   #9
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What about aiming then towards each other either in the middle or on the front wall?
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Old 01-26-2007, 11:16 AM   #10
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What about aiming then towards each other either in the middle or on the front wall?
I was trying to keep them hidden in the back. Ultimately, I have no idea what I'll end up doing because when I move I'm completely reaquascaping. I'm also planning to get a deeper tank so I'll need more rock! I was thinking of doing 2 separate piles of rocks and having some sand in the middle, that way I could probably make the flow a lot more regular.

I'll try uping the flow on them and moving them a little closer to the middle and pointing directly at each other...

| |
|PH --> <---PH |
| |

Both of them aiming up at the surface to create agitation.
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