HappyKayakers wrote:
As long as you have enough water in the black tank, the angle of the pipe or the tank shouldn't matter. Since it's not emptying, how long has your tank been full of cr@p?
It will empty some but not all. I'm using a Sewer Solution. I open the black lever and let it go until no more stuff is coming out -- just the water from the sewer solution. When I go look inside its still got liquid & stuff in the black tank. I don't know how much but enough to cover the bottom and be sloshy.
Also I can't back flush because the black tanks at right angles to the outlet tube.