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Old 01-22-2009, 12:38 AM   #1
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72 bowfront built in overflow

According to Oceanics site, the two holes on the bottom are for drainage and for bringing the water back in. Can someone tell me how the previous owner had this set up? Is it two drainage flows on the bottom while the pump (from the wet dry) puts water back in? The pipe running up from one drain baffles me, since it is higher than the water could flow into from the overflow. The water from the sump can run through that pump on the bottom and back to the tank (I assume.) I hope the pictures can help you all understand what I am saying.

Also the other hole is flush with the bottom of the overflow.
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Old 01-22-2009, 01:09 AM   #2
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Most likely there was a 90 degree elbow and then some loc-line taking that pipe to connect into the water column for the return. So basically, you'll turn and extend the pipe you have so that it can spit the return water into the tank. The other whole then becomes your drain
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Old 01-22-2009, 01:32 AM   #3
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Ok I see. So I can just take off that other end (the return in the bottom picture) and run the pump through the hose to that pipe return (after I get an elbow to return it). Is that what you mean?
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Old 01-22-2009, 08:39 AM   #4
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I have the same tank as you you can look at some of my pics on my thread how I have things setup New 72 gallon Bow Front although looks like your missing the piece that does the drain
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Old 01-22-2009, 08:45 AM   #5
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Here is the kit and it will show you how it all works
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Old 01-22-2009, 12:22 PM   #6
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Thanks a lot guys! Its clear now!
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Old 01-25-2009, 04:11 AM   #7
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Yeah put a 90 degree elbow on my return with the drainpipe set as low as it would get and it works fine. Use flexible platic tubes on the 90 degree return. Works like a charm!
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