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AGA Mega-Flow Overflow Dangerous?
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Michael L.
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Joined: 20 Nov 2005
Location: Nanaimo, B.C, Canada

PostPosted: 2007.04.19(Thu)21:12    Post subject: AGA Mega-Flow Overflow Dangerous? Reply with quote

I just got a 90 gallon version of this tank, and I was looking at the overflow design with the little holes that go down the overflow. Say the power goes out... what keeps the tank from continuing to overflow into the sump? Sort of dangerous by the looks of it. Has anyone ever had any problems?
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sirreal63
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Joined: 21 Feb 2004
Location: Meadowlakes, TX

PostPosted: 2007.04.19(Thu)21:24    Post subject: Reply with quote

Drainage in the event of a power outage is controlled by the height of the inner overflow pipe, that pipe also dictates the height of the water level in the tank. You will not drain much back if it is set up correctly and is the safest method for having a sump under the tank...you won't have any issues with it.
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Michael L.
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Joined: 20 Nov 2005
Location: Nanaimo, B.C, Canada

PostPosted: 2007.04.19(Thu)21:55    Post subject: Reply with quote

Okay, that makes a lot more sense. I haven't assembled mine yet because I don't have a stand, so I assumed that the overflow pipe stayed under the tank and didn't come up inside the aquarium.
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dale
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Joined: 10 Jan 2005
Location: Abbotsford Canada

PostPosted: 2007.04.23(Mon)0:54    Post subject: Reply with quote

Hi Mike.
Take a look at the overflow box itself. There are two walls, an outer and an inner separated by about 3/8th of an inch. The outer wall has slots at the top and bottom - this allows the display to drain from different levels. The water then flows between the walls, up and over the second, inner wall. In the event of a pump stoppage the water won't drain past the height of the inner wall. You should be able to pop the outer wall off to see how it works.
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Michael L.
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Joined: 20 Nov 2005
Location: Nanaimo, B.C, Canada

PostPosted: 2007.04.23(Mon)8:17    Post subject: Reply with quote

I see it now. Now I just have to make enough RO/DI water to hit the drain pipe because apparently when they say 50 gallons per day, they mean about 25. Laughing
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sirreal63
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Joined: 21 Feb 2004
Location: Meadowlakes, TX

PostPosted: 2007.04.23(Mon)9:49    Post subject: Reply with quote

50 gpd is under ideal conditions...colder water temps and low pressure will greatly reduce your output.
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