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Old 01-11-2015, 04:47 AM   #1
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New 210g w/ center overflow water trickling sound

I am running a mag 1800 pump and according to my calculations it was the proper flow after calculating losses. I do have a ball valve and can restrict the flow but how much is too much? I am over 1/2 way to get the trickling to a fairly quite level. Is this going to load the pump too much? Do I have too much pump for my tank? It's an aqueon w/ the mega flow overflows.
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Old 01-11-2015, 09:19 AM   #2
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Where is the sound coming from, the crashing of the water in the sump, or up top where the water is coming into the prefilter box? If it's up top, you can raise the height of the standpipe to make less distance for the water to fall. This should quiet it down a bit. If it's the mixture of air and water going into the pipe that's noisy, you might try shoving a piece of airline tubing down the drain pipe until it quiets, then taping it off somewhere.
Down below you may need to implement filter socks(I hope you have these already, for the large particulate matter) and possibly tilt the pipes so the water comes down on an angle or maybe put a T on them.
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Old 01-11-2015, 02:39 PM   #3
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It's more of a trickle. It is coming from both the Eshoppes WD300CS sump and the overflows. The overflows are most of what I'm hearing as they are by my ear. I have dialed the ball valve down a bit and I have quieted it some. Wifey says its acceptable to her but I'd still like to quiet it a bit more. I certainly can dial the ball valve down a bit more . The standpipe that came w/ the megaflows are as high as they can go.
Looked a bit further and the trickle is actually coming from water coming out of a hole at the top of the output that is drilled right at the 90 at the top of the tank before it splits off into the telescoping dual outputs. Any idea what those holes are for?


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Old 01-11-2015, 10:46 PM   #4
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They are I believe anti siphon holes so you don't flood when the power goes off.I had the same problem with the noise as you. I put a short piece of airline tubbing in mine so it is just below the water line and that seemed to work for me.


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Old 01-12-2015, 10:14 AM   #5
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Yes, those should have been drilled just below the water line.
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Old 01-12-2015, 02:27 PM   #6
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Yes, those should have been drilled just below the water line.
Is there a reason the water level in the overflow is so low then? I have the pump input pvc fitting as high as it'll go.

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Old 01-12-2015, 04:26 PM   #7
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You need to raise the standpipe if you want the water level higher. What exactly is the pump input pvc fitting you are referring to?
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Old 01-12-2015, 04:46 PM   #8
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You need to raise the standpipe if you want the water level higher. What exactly is the pump input pvc fitting you are referring to?
Sorry I was referring to the stand pipe. It's is fully extended. This is a megaflow kit for the aqueon tank.

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Old 01-12-2015, 05:04 PM   #9
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Have you tried a piece of airline tubing down the drain?
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Old 01-12-2015, 06:55 PM   #10
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I will try that next. I assume I have to enlarge that top hole to get the hose through? I have the standpipes as high as they will go. I've attached two pics, should the water level be higher than this in the overflows?

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Old 01-12-2015, 08:36 PM   #11
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That water level is about as high as you can make it. It's got to have some fall. As for drilling, maybe just put it into the side holes on that elbow, and see if you can get it quiet moving it back and forth before you start doing permanent mods.
I'm thinking it's the air mixing with water that's making the sound. Usually, the airline tubing will quite it down.
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Old 01-13-2015, 03:54 AM   #12
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Ok. So what is the purpose of that rubber tubing? I assume there is a certain depth into that standpipe that causes some type of positive result? The hole I was referring to that the water was making noise from is on the output side, not the intake side.


Another observation. The waterfall sound is pretty much gone but I'm still dealing w/ the fairly repetitive gurgle. It appears that I can feel air pushing out of that top vent on the standpipe right after I hear the gurgle. It also seems the left and right sides are alternating that gurgling sound. I used the ball valve to dial down flow and it really didn't make a great deal of a difference. Also put some hose in but no real help.


What appears to be happening is that the water level in the overflow is going down and exposing the two holes in the standpipe. If I can somehow get the level in the overflow to stop rising and falling I'll be good. Any suggestions how to achieve that?

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Old 01-13-2015, 09:35 AM   #13
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The only way is by feeding it air with some tubing. Large amounts of air are going down the tube and disrupting the water flow, and this is why the water level in the prefilter box rises and falls.
The holes you say are making the noise are the ones you posted a picture of? I would plug them and put holes in the black locline just below the DT waterline instead.
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Old 01-13-2015, 11:12 AM   #14
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The holes that are making noise (the flushing sound) are actually the two on the adjustable standpipe that returns water. They are both fully extended in height and I was able to get the left one to stop the noise by rerouting the flex hose under the tank going to the sump. The side that is being loud is angled down right to the wet/dry filter without any sagging so I can't really do much more with that hose. I guess if it was in fact the lack of air on the return standpipe wouldn't the left side be equally as problematic?


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Old 01-13-2015, 11:41 AM   #15
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Ok..just so we are clear "returning water" would mean returning it to the DT, and not the sump. The 2 thinner pipes with the adjustable locline ends on them are considered returns. The larger are drains.
So, you are saying that it's only one of the drains that's making noise?
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Old 01-13-2015, 07:03 PM   #16
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Yes one of the drains is making noise. I did open up the top cap hole and the surging in the overflow went away. However there is quite a bit of gurgling coming from it now. I did play w/ the opening and the more I closed it the more of that surge I got. I tried to find a happy medium between surge and gurgling and I cannot seem to find one.



I have attached an image of the hose routing for the loud side. And a video of the sound


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Old 01-14-2015, 01:21 PM   #17
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Well, if I'm reading correctly, the difference between the 2 overflows is that one runs straight down and the other is on an angle, and the one that's straight down is quiet, and the ones that's angled is noisy. Maybe sliding the sump to the middle of the stand and taking some of the angle out of the hose for the right overflow will correct it. I think you can easily remove that shelf.
That's about my last idea. If this is going to be a reef you'll want to get rid of that trickle filter anyway at some point, or at least modify it.
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Old 01-14-2015, 02:44 PM   #18
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Not exactly. Left side Is dead silent (spirals down to the sump) right is the loud one (Angles directly to sump). It's a bit hard to see but the left side sort of spirals down to the sump as I didn't want it to have it hang down and have to go back up to the sump. Pictures below of Left and right side. (Right on top) I did unsecure the right side return hose and change the angle so it went nearly straight down and then 90 to the sump and it didn't change the gurgling at all so I'm pretty sure it isn't the return causing the issue. I did enlarge the standpipe hole and put a hose in it and I did find a spot where it is acceptable but its still louder than I'd like.

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Old 01-14-2015, 03:41 PM   #19
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Maybe it's time for a surround sound upgrade then....
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Old 01-14-2015, 03:42 PM   #20
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it's in another room but I'd like to resolve the issue.

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