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Old 03-08-2012, 09:19 PM   #1
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Question Noisy overflow

I have a corner overflow in the saltwater tank I am setting up. I finally got the plumbing and all worked out. The return pump is a little noisier than I would have liked so I am sure a new one is in the not-too-distant future.

The biggest issue is the noise from the overflow. My tank is 33 inches tall, so the water falls a long way. There is only 1 drain pipe and it has a 1 inch PVC pipe standing on the outflow with slits cut every inch or so. There is a round sponge on the pipe that sits at the bottom (Not sure what that is for).

What can I do to reduce the splashing noise so the wife won't fuss?
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Old 03-10-2012, 06:06 PM   #2
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Can you post a pic of your overflow?

Maybe we can get you some answers.
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Old 03-10-2012, 06:14 PM   #3
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A standpipe will take care of it. The water level in the overflo would be fairly close to the top, so you wouldn't get that splashing noise.
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Old 03-10-2012, 06:45 PM   #4
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Durso Standpipes

You want to set it up like this.
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Old 03-10-2012, 08:46 PM   #5
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Quote:
Originally Posted by fort384 View Post
Durso Standpipes

You want to set it up like this.
The Durso setup is the best option! +1
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Old 03-11-2012, 02:48 PM   #6
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You sent me a question about bubbles in your sump so I will answer here. When having a durso pipe, air is going to be in the water and eventually into the sump. are the bubbles going back into your DT? What is exactly making noise?
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Old 03-11-2012, 02:53 PM   #7
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Quote:
Originally Posted by xtra51 View Post
You sent me a question about bubbles in your sump so I will answer here. When having a durso pipe, air is going to be in the water and eventually into the sump. are the bubbles going back into your DT? What is exactly making noise?
It's a large bubble every 2-3 seconds making a blurping noise. It seems that the water flow is pushing large bubbles from the flex pipe into the sump. The standpipe isnt making any sucking noises, just bubbles going into the sump.
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Old 03-11-2012, 02:57 PM   #8
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did you put a hole in the pipe? The pipe need a place to get air
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Old 03-11-2012, 03:01 PM   #9
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Also, the stand pipe only should be about an inch or two below the water in the outlet into the sump. Otherwise, it will cycle, fill up, burp, fill up again, burp, etc.
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Old 03-11-2012, 03:02 PM   #10
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did you put a hole in the pipe? The pipe need a place to get air
Yes, I had to drill two 1/16" holes to get the water level right. The water is staying close to the top of the elbow where the water goes in.
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