[reefcouple]

Hello,

We just purchased a used (in good condition) 90 gallon tank.. The over flow on the tank and hose leading to the sump makes alot of noise. It would appear that i have a flow issue.. This size tank and this set up is foreign to me.

It's an Oceanic reef ready sump and i have been told its a great pump, the previous owner informed me it was a very quite system.

Is there a valve in the over flow portion in the tank that i am not seing??

Thank you... Any information would be of great help and very appreciated.

~ciao
Randy