over flow problem

[feefer2]

Hi all , I just upgraded my 120 gallon for more flow I have blueline pump 40 x with 1 " return lines and i have only 1 overflow chamber so I took both 1" drains in the overflow chamber to get more drainage but now iam have a suction noise what can i do to make it quiet any help would be great thanks.

[AngeloM3]

There are TONS of threads about making a quit overflow... the search feature is your best bet to find them

http://www.reefcentral.com/search.php?s=&menu=11

[indydog1]

google durso or stockman standpipes.

that should do it for you