Overflow gurgling!
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Overflow gurgling!

This is a discussion on Overflow gurgling! within the Saltwater Aquarium Equipment forums, part of the Beginner Saltwater Aquariums category; --> Last night I repositioned the outlet in my display. Now every few minutes, my overflow box makes a gurgling sound. Can I do anything ...

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Old 12-31-2008, 06:20 AM   #1
 
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Overflow gurgling!

Last night I repositioned the outlet in my display. Now every few minutes, my overflow box makes a gurgling sound. Can I do anything to stop this sound? Would changing the height of the overflow help?

My tank is 46 gallons, and my overflow is the CPR CS90. I have a Eheim caompact plus 3000 pump, open almost all the way, and an air-lifter assisting the siphon in the overflow.

Thanks
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Old 12-31-2008, 11:56 AM   #2
 
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i think its called "derso overflow" or "derso pipe"

look that up
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Old 12-31-2008, 04:45 PM   #3
 
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What is happening here is that air going into your overflow standpipe is collecting in the plumbing. As the air congregates in the pipe, the water is slowed until the bubble is large enough that enough water cannot pass by it, and it is forced out. If you look at the water level in your overflow, you will also see the level in there fluxuating. There are a couple of possible solutions to this problem. If you are lucky, simply repositioning the plumbing a bit will solve the problem. You can also look at your overflow standpipe. A durso standpipe may or may not solve the problem, but they are simple enough to make, so if you dont have one in place, give it a try. Finally, you may need to slow your waterflow, but only if you cannot solve it with the other fixes.
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Old 12-31-2008, 08:40 PM   #4
 
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put a sponge around the pipe in the overflow.
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Old 01-01-2009, 03:38 PM   #5
 
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that would most likely work but would need to be cleaned frequently.
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Old 01-05-2009, 09:48 AM   #6
 
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I was lucky enough that the small piece of vent pipe that came with the overflow just needed to be adjusted up. The gurgling stopped. Thank you
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