When camped at camp grounds do you
Leave your gray or black water valve open? I always leave black tank closed and grey water open until we are going to leave. Meaning a day or two in the grey water tank to flush out after draining bl...
Forum Discussion
Anybody read the post about the RV that was flooded with sewage after leaving their gray tank open? Not sure it was on this forum or IRV2. We have some experience with this. We have property in a small Midwestern town and the sewer/storm water pipes are the same. Constant rain caused the storm water to overwhelm the system and if we had our gray valves open, it would have backed up into our RV. We could not figure out why our sewer hose was all twisted and off its support. It was because the city sewer system backed up into the sewer hose. We never leave our gray tank valves open.
