new tank noise

[Gio22]

hi I just set up a 120 and the sump has a crazy gargle noise , is the sump water going in to fast ? its a nice sump with enclosed area .im trying to set drain hose up so no soundwith flex hose . other tank has heard pvc drains 220 ,

 

[Crustaceon]

I’d say yes, it’s probably the drain going into the sump. If you look into that chamber and see what looks like a jacuzzi, there you go.