It's just way too loud...

[christyf5]

Originally Posted by reeferaddict

Now I can see the problem.... you need an elbow inside the overflow box.

A Durso or Stockman creates silent flow by drawing the water into the pipe under the surface... get an elbow in there facing down & crank that Mag to 100%... they won't last long running with back pressure anyways...

dang! I was just gonna post that

[Doormatt]

Problem is, there's no room in the overflow for an elbow...Do I really need to get another overflow box built? The first one was pricy, and considering it was custom made (they told me it was big enough), I'd hate to have to spend the money all over again.

[Kabong]

See if you cut an elbow down, and make it fit.
Even if you cant fit it definitely dont pay for another overflow to be built,
its very easy to build your own.

Oh and if i was you i'd have words with whoever made you a overflow that
doesnt have room for an elbow in it.

[Doormatt]

Hadn't thought about cutting the elbow down, I'll see about that.

The overflow was $45 installed...in hindsight, compared to my other costs, that's nothing, and I'd prefer to have it profesionally done.

My only concern now is the fact that there's LR in the tank...I'd have to pull it all out and stick it in a rubbermaid. Not the end of the world, but a pain none the less.

[Jason McK]

A 90 should fit in there. Try cutting down the fitting. It doesn't have to be a sealed system. But it will elliminate the problem.

Also, you could cut a large hole in the top of your Derso and add a John Guess valve to regulate air flow. But that shouldn't be needed if you get the 90


J

[Doormatt]

Forgive my ignorance, and in an attempt to save myself 4 hours of mucking around with a saw...

What exactly do you mean by "cut down"?

[Kabong]

Even if you have to cut the elbow rite down to the corner, dont worry about it.
Just drain the water out of the overflow, tack it on with crazy glue.
Then just seal it with silicone.

[Kabong]

Just cut a inch or so of the elbow off so that it has one long side and short.
The short side goes to the plumbing. Hopefully that will make it slim enough to fit into the box.

[][][][]
[]
[]

[][]
[]
[]

like in my bad diagram with the top one being the uncut pipe.

[reeferaddict]

Ya it won't have to be a perfectly tight fit.... just to redirect the water going into the plumbing from under the surface, and your noise will be gone...

[andresont]

Originally Posted by Doormatt

*Sigh*

Two months ago, I couldn't wait to start my foray into Reefkeeping. Now I almost wish I hadn't started.

My tank is a 37G with an 18G sump, and from day one, I've had nothing but problems with noise. I've got a internal overflow box with 1 1/4" bulkheads drilled in the back wall (Both intake and output). I've got a MAG 9.5 powering my return.

I started out with 1 1/4" Vinyl tubing for my overflow, and that was noisy as all hell. It would make horrific gurgling noises, and if I closed the ball valve slightly on the return line, it would make it slightly better, but I'd be paranoid about an overflow.

So, yesterday and today, I switched the entire return line to 1 1/4" PVC (external durso mod), and it STILL gurgles like crazy. I've tried different size holes in the top cap of the durso, and it doesn't seem to make that much of a difference.

I'm at my wits end here, and rather than being a relaxing hobby, this is quickly turning into a depressing exercise in futility.

Does ANYONE have any suggestions on how I can quiet my overflow?

http://www.dursostandpipes.com/
http://www.rl180reef.com/180/pages/s.../construct.htm

And you don't need it too high mine was very short , just enough to fit in the box.

This worked for me no noise at all and with small vent air hole in part #10 it can allow more flow then my Mag 950 can produce at 4 feet head