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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?
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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