Winterizing ?
This is our first trailer with a black tank flush. How do you winterize it? I use my pump with a hose into the jug of anti freeze to winterize the rest of the camper, but theres no way to winterize t...
Forum Discussion
On my rig the black tank flush has a vacuum breaker that is mounted higher than all the sinks and the toilet. Best to blow air through the line and then get a small hand pump and pump A/F through the flush line. I would think less than 2 cups would do it.
