(PIC) Aquarium Mod Idea-Any Input Re: Filtration Plumbing?
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Old 04-27-2004, 05:34 PM   #1
John P.
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I've taken a 10 year hiatus from the hobby, and I know this sort of setup is commonplace now, but I'd appreciate your input . . .

Here's the latest idea I have for my next setup:
-Heavily planted tank with a healthy school of tetras;
-acrylic aquarium (25-30 gallon, tall);
-all filtration plumbing inside the tank via PVC pipe (no external overflow, etc.), concealed with bark/wood;
-sealed filtration system via cannister (Rena Filstar or Eheim);
-here's a rough sketch of what I'm getting at:


QUESTIONS:
-Who makes an overflow ("downspout?") that is quiet (i.e., no sucking noises)? Anyone fabricate their own? Parts at Home Depot or more specialized?
-Anyone drill their acrylic aquariums? Any reason not to do so?
-Any glaring deficiencies in this idea?
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Old 04-27-2004, 05:39 PM   #2
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If this is going to be driven by a canister filter I would seriously not even bother with the over flow.. but simply use a drilled standpipe so the water flows in from all directions. This will keep it quiet, and should prevent your canister from sucking air.

You only really need a true overflow if you are trying to fill a sump, but in a closed system, this can cause other annoying issues.
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Old 04-27-2004, 05:41 PM   #3
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My suggestion would be that your outflow is going to cause too much surface agitation...I would switch to a spray bar, or place the outflow lower in the water column.

You may also start outgassing CO2 at the overflow.
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Old 04-27-2004, 05:42 PM   #4
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Thanks, that's what I was thinking. Does anyone make the standpipes, or is this a DIY sorta deal? Either way is fine, but I'd like to see some examples of other designs before I fabricate my own.

Thanks!
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Old 04-27-2004, 06:12 PM   #5
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Quote:
Originally Posted by putty
My suggestion would be that your outflow is going to cause too much surface agitation...I would switch to a spray bar, or place the outflow lower in the water column.

You may also start outgassing CO2 at the overflow.
Good idea. I originally thought of this idea under the auspice of a sump system, but that's definitely not happening now!

You're right--with a sealed system, I can outflow in the middle of the tank without worrying about siphoning problems.
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Old 04-27-2004, 06:25 PM   #6
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The overflow kits from Oceanic/AGA have standpipes in them as well as the bulkheads you'll need. I have read they are not as effective as building your own version of the Durso overflow. I constructed a Stockman Overflow, however it does mix a significant amout of air in on the way down to the sump. I need to investigate methods were less air is included.

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Old 04-28-2004, 05:33 AM   #7
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Quote:
Originally Posted by gnatster
The overflow kits from Oceanic/AGA have standpipes in them as well as the bulkheads you'll need. I have read they are not as effective as building your own version of the Durso overflow. I constructed a Stockman Overflow, however it does mix a significant amout of air in on the way down to the sump. I need to investigate methods were less air is included.

-*-*-*-*
gnatster
Perfect--just what I was looking for. Thanks!
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Old 04-28-2004, 10:38 PM   #8
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Durso is the easyest too build and works the best
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