Overflow Gurgling

P

Peel Coral

Registered SDR User
Hi, I have been setting up my new 90 gallon tank with my dad. When we ran it for the first time we noticed the overflow box was very loud. We put something on the return to reduce the flow from the pump and it stopped the noise. This thing was a big l shaped 1/2 inch PVC thing. We got a return sprayer nozzle to put on, thinking it would do the same thing. The noise came back though. Does anyone have any ideas how to stop it without making any major plumbing changes. Please be free to ask questions.

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TYDY said:
What overflow style do you have? Any photos?
Click to expand...
It is just a single pipe overflow box.
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The Herbie drain is my favorite. I did on my last 2 tank builds 180 and 150 gallon tanks. Completely silent. However it requires 3 holes in your overflow

The Durso drain is a good way if you have 2 as a next best option in my opinion

Lastly. You could use a Maggie muffler as an alternative to the above...


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I have a question/comment.
If you have a single drain pipe, and a snail or fish or any floatsam get into that intake and block the pipe the contents of your sump could end up on the floor. Something like this happened to me once when my mother-in-law was visiting. You think a pipe is noisy, be careful with a single drain, it can be a mother.
 
You should have been expecting something like that Kris. NOTHING good happens when ones mother-in-law comes to visit.
 
cshplumber said:
You should have been expecting something like that Kris. NOTHING good happens when ones mother-in-law comes to visit.
Click to expand...
Yes, you have a point about that for sure. I'm always looking forward to visiting with my mother-in-law, but I think the technical term is "viewing" on the last visit?
 
If you are running a single drain pipe from the display to the sump it is a good Idea to make sure the return section of your sump doesn't hold more water than your tank can handle. For example my return section in my sump holds 3 gallons and in order to overflow the display I would have to pump all of that to do so. Just due to the height of were the return pump intake is that would be impossible because there will still be 1/2 gallon or so left in the return chamber even after the ATO times out.

The 1 time my drain plugged the water went right to the top of the tank and stopped....whew.
 
A herbie only requires 2 holes
Primary drain and emergency
If you space them 6 inches apart (height) and use a gate valve you should be able to tune it super quiet
 
MDL921 said:
A herbie only requires 2 holes
Primary drain and emergency
If you space them 6 inches apart (height) and use a gate valve you should be able to tune it super quiet
Click to expand...
Herbie drain requires 3 holes if the return line is inside the internal overflow box.

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