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From the chamber elbow to red pipe, and from red pipe to valve, they are pretty loose but the instructions arent clear as to wether they are supposed to be glued or not.

Also, the outlet on the valve, where is that supposed to go?

The instructions say from 6 - 10 inches of water. Anyone have experiance with this model and can tell me the optimal water depth?

Is this little black pump supposed to be submerged as well? I may very well be retarded but I can't figure how its going to pump air when its underwater.

Sorry for dumb questions but never done this before.