How to remove black water tank from 2006 Alfa Gold

by Laurice Rice
(Carlsbad, CA)

We are leaking water under our 2001 Alfa Gold 5th wheel it is leaking into our storage compartment. We can't find the source of the leak but seems to be coming from above the black water tank, what is the easiest way to remove the tank to see where the water is coming from. Or if you might know what is above it or what might be the cause.