Forum Discussion
Bird_Freak
Oct 02, 2015Explorer II
Old-Biscuit wrote:Up through the slinky into the tank. Can be a common problem with some sewer systems.GMandJM wrote:Bird Freak wrote:
I keep both valves closed until time to dump. I don't worry about them backing up into camper but I had problems with sewer fly's getting in my tanks one time. Every time we flushed toilet fly's came out and into rv.
^^Yes, this. Drain flies suck!
How did they get into black tank in order to come out of toilet :H
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