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TOPIC: Overflow noise

Overflow noise 2 years 4 months ago #62701

  • jaws7777
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After setting up a sump for the 75 gal (20 gal sump) i didnt like the noise. Sounded like a toilet flushing coming from the overflow.

Got some advice from some other hobbyists and was told to cut the stand pipe within the over flow at a 45° angle and add airline tubbing to help with controling the amount of air. Basically the 45° cut causes the water to flow unevenly reducing the amount of air that is dragged into the plumbing.

Other option recommended was to make a hofer gurgle buster.

Decided to try both. First was the 45° angled stand pipe + airline tubing. Which actually worked great no noise.

Since i had the parts for the HGB i decided to try that too. Worked like a charm. Had to mess with the airline tubing a bit to get the right level within the plumbing. Would say its a smidge quiter than the 45° but really not by much.

Original set up




45° cut standpipe



HGB





In person its much quiter. For some reason the vids make everything sound louder.


And the vids on how to build the
HBG



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Overflow noise 2 years 4 months ago #62704

  • JAJameson2010
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Thanks! If I end up jumping into the overflow box later this is great!

Jessica
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Overflow noise 2 years 4 months ago #62705

  • jaws7777
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Now we are even cuz i really like the auto water changer !lol

Now that i think of it. All things being equel (meaning noise level) the 45° cut standpipe would probably be better in the long run for several reasons. With the HBG cant use the pre filter sponge, maybe the socks will get dirty faster. Also thinking the smaller holes in the HBG would need a light brushing every now and then to keep them from gwtting clogged
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Overflow noise 2 years 4 months ago #62730

  • FreshyFesh
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I can definitely hear the noises being reduced in pic 2, then 3. Pretty cool. Nice setup!

It's amazing some of the noises these components can make. I've got this little breeder box hanging off the back of my goldfish 55g tank. It's kind of like an air powered HOB filter. It sounds like a old coffee percolator.
75g a tiger oscar and a green severum
55g community tank with plants
55g goldfish tank
29g community tank with plants
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Overflow noise 2 years 4 months ago #62742

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FreshyFesh wrote:
I can definitely hear the noises being reduced in pic 2, then 3. Pretty cool. Nice setup!

It's amazing some of the noises these components can make. I've got this little breeder box hanging off the back of my goldfish 55g tank. It's kind of like an air powered HOB filter. It sounds like a old coffee percolator.

Thanks freshy. I really wanna try a herbie style overflow on my next tank
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