Well....I actually have done all the right things, or at least tried to, in terms of leaving a few gallons in the tank, flushing the toilet with lots of water, not draining 'till at least 2/3's full and not leaving the valve open when hooked up at a site. Of course, what I learned yesterday makes me think I will not drain 'til the indicator reads full from now on.
I guess what screwed me up was that the first couple of trips where short and I did not want to leave it sitting without draining since we where coming into winter at that time as I was concerned about freezing.
I do have the dreaded "pyramid" - that's what started this whole ordeal.
And the flush system is a permanently installed part that came with the unit. Nothing more than a hose connection on the outside that runs to a nozzle mounted inside the black tank.
Working with the industrial equivalent to black tanks makes me think this flusher is not very well designed. When we want to clean out a tank, we set fan spray nozzles so they sweep the floor of the tank towards the drain. You can have dried / caked material laying in there and it's gone in seconds.....but I don't want to tear apart my new TT and re-invent the system......
Headed back out to drain again.
