Cleaning the black water tank
I have an 06 Holiday Rambler Admiral. I have owned it for 3 years and the black water tank has never drained completely. Out side, where you dump the tank, there is a hook up for a hose that is s...
Forum Discussion
John Wayne wrote:
If while hooked up in the campground you are leaving your black and gray tank valves open that is whats causing your problem. The liquid drains off BUT the solids stay and dry out and harden in the tanks. Leave the black tank valve closed until your tank is 1/2 or more full then drain it and flush out the hose when you drain the gray tank.
I most definitely do not leave either valve open. Good question but not my root cause.
