Loud Drain and Overflow

[Reeferman1019]

Can someone please help the overflow is loud and also when it drains into my filter sock. This is my first time with a drilled tank and using a sump. Getting a lot of gurgling sound like a toilet. Please see pictures.







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[btb72]

Guessing the grey curved tube is the overflow correct? And in the first picture is both tubes going to the sump? Also do you have a way to adjust the flow to fine tune the noise?

 

[Reeferman1019]

Guessing the grey curved tube is the overflow correct? And in the first picture is both tubes going to the sump? Also do you have a way to adjust the flow to fine tune the noise?

gray tube is drain line to filter sock, in first picture on is return and other drain, no way to fine tune the noise


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[mjstech]

I would run both as drain and do Herbie style. Then run return over tank edge with 90s and a small drilled hole for siphon break if needed. You can try to dial pump back with a valve, move/adjust flex drain line a bit to see if that helps.. I don't like how it currenty goes down back up and then back down into sock drain, that will more than like be main issue as it stands. Also add a airline tube down the hole if the drain cap to see if you can break the "gurgle" a bit. Herbie will give you best results in my eyes along with ability to flow more.

 

[ca1ore]

You'll have to play with it a bit. Only ways to potentially reduce single-drain-durso noise is to either vent it better or reduce the flow. Is the drain 'flushing' - water level/noise goes up and down? Best way is to go to a dual drain with a siphon as noted in the prior post.

At the very least, I would reorient the 'corrugated' drain line so there isn't a droop loop.

 

[GimpyFin]

You'll have to play with it a bit. Only ways to potentially reduce single-drain-durso noise is to either vent it better or reduce the flow. Is the drain 'flushing' - water level/noise goes up and down? Best way is to go to a dual drain with a siphon as noted in the prior post.

At the very least, I would reorient the 'corrugated' drain line so there isn't a droop loop.

This is my experience as well and also have a single drain durso on my tank. Reduce the flow on the return pump and if possible take the sag out of the drain tube so it has a more direct shot to the sump. That should help with the toilet flushing sound. If you have a splashing noise in the sump where the drain is, you can also attach a small piece of pvc to the other end of the bulkhead at the filter sock so it drains below the water line in the sump.

 

[Reeferman1019]

Thanks everyone for the input I will experiment with it and hopefully it quiets everything down.


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[atrain]

you also need to get rid of the extra hose from your tank to the sump. It dips down then back up. I believe that's where the water is building until its too much then releasing creating your flush.

 

[Reeferman1019]

you also need to get rid of the extra hose from your tank to the sump. It dips down then back up. I believe that's where the water is building until its too much then releasing creating your flush.

your talking about the Gray hose?



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[laverda]

I would also get rid of the dip in your drain hose. Then I would add a air valve to control the amount of air it sucks in. On mine the top cap was sloted on the sided so I could raise or lower it in my T fitting, controlling the air intake. Everyone was always amazed the could not hear my overflow at all. I know some people stick a length of tubing down the hole in the top so it is in the water inside the drain line. I did not find this helped very much.

 

[Reeferman1019]

I would also get rid of the dip in your drain hose. Then I would add a air valve to control the amount of air it sucks in. On mine the top cap was sloted on the sided so I could raise or lower it in my T fitting, controlling the air intake. Everyone was always amazed the could not hear my overflow at all. I know some people stick a length of tubing down the hole in the top so it is in the water inside the drain line. I did not find this helped very much.

Can you send me a few pictures on how to do this or a DIY link


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[atrain]

Yes, the gray hose. Looks like it's spa flex. Try just lifting it t to the side and you
Should be able to tell a difference. And I can't see in your sock, but will probably get splashing sound if not submerged, which can be fixed by having the pipe
Go below the water line, but put a couple vent holes in pipe before the water
To avoid syphon, or more flushing from that part

 

[Reeferman1019]

Yes, the gray hose. Looks like it's spa flex. Try just lifting it t to the side and you

Should be able to tell a difference. And I can't see in your sock, but will probably get splashing sound if not submerged, which can be fixed by having the pipe

Go below the water line, but put a couple vent holes in pipe before the water

To avoid syphon, or more flushing from that part

Where should I put the coupe of vent holes on the pipe before it hits the water


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[ca1ore]

It's never a good idea to have any part of the drain line slope upwards. Can cause drains to airlock.

 

[atrain]

I had missed gimpyfins post earlier, and were stating the same thing.
If you put a pipe on the sock side of the bulkhead that goes beneath the
Water surface, it will get rid of the splashing sound, however, personally,
I would drill a few small holes in that pipe just above the water line for air to
Escape

 

[laverda]

Can you send me a few pictures on how to do this or a DIY link


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At the top of you T fitting itblooked like there is a small hole there. Changing the size of the hole can make a big difference in the noise level. Since it is hard to make a hole adjustable, you can put a small valve in it to controll the amount of air that enters. You may need to be larger then it is. I hope that is clearer. If not I will take a photo of mine and post it.
That is also where some people stick a piece of air line tubing down so it is in the water inside the over flow. As I said I did not have good results with the air tube myself.