How do YOU dump your tanks?
The normal (I think) dumping sequence is open valve black water tank and dump. Close valve black water tank. Open valve grey water tank and dump. Close valve grey water tank. Here's what I've been ...
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My routine varies. My black tank doesn't drain worth a ****.... so I normally hook the flush king up and back flush the tank 3-4 times until I quit seeing brown water and paper come out. I then close the black and drain the grey. I say normally because if there is a line I won't sit there and flush the black for 20 minutes, I dump, backflush once and then dump the two grey tanks and move on.
