Canreef Aquatics Bulletin Board - getting loud gurgle out of your overflow!

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Canreef Aquatics Bulletin Board (http://www.canreef.com/vbulletin/index.php)

- DIY (http://www.canreef.com/vbulletin/forumdisplay.php?f=13)

- - getting loud gurgle out of your overflow! (http://www.canreef.com/vbulletin/showthread.php?t=40587)

Trigs

03-21-2008 04:11 AM

Quote:

Originally Posted by mark (Post 311400)

Trigs, try a elbow pointing down in your overflow box. Cap the pipe above the tee on the outside, then starting with a small drill slowly go larger until the level in the overflow becomes steady and the drain quiets down (can also use a air valve). Once tuned, the air your pulling through the drain is at a minumun, you'll still get some gurgling but that's the nature of this type of standpipe.

For zero gurgling all I know of is the Herbie style but to be safe, they require two holes for drains.

how will i get the elbow to connect?

chevyjaxon

03-21-2008 06:49 AM

simple you want to slow down the waterflow to the sump a little this is what you do, put a ball or gate valve at the bottom of your stand pipe have it below the water line and then adjust it just until it stops gurgling. worked for me!

mr_alberta

03-21-2008 07:37 AM

That's not the best idea unless you have a backup drain otherwise one day your drain will plug and you'll come home to an empty sump and wet floor.

Trigs

03-21-2008 07:43 AM

okay well pretty much
what i have is a overflow to a T the pipe goes up to a cap with a air hole then down to a 90 degree into a straight pipe to a ball valve then to another 90 to my sump with a micron bag over

mark	03-21-2008 12:48 PM

Quote:

Originally Posted by Trigs (Post 311410)

how will i get the elbow to connect?

http://www.flexpvc.com/cart/agora.cg...-Elbows-90-MPT

Not sure of your bulkhead size but they're easy enough to find (I bought some 1" fr Rona)

Trigs

03-22-2008 08:52 AM

Quote:

Originally Posted by Whatigot (Post 311239)

really easy cheap fix that works is to cut a length of flexible airline tubing and feed one end down into the overflow and leave the other out and free in the air.
This will greatly increase the airflow and mitigate a lot of the gurgling.
try it and see.

free in the air as in out the top by the over flow? like out the cap?

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