Grey Tank Valve Open or Close
When you spend 1 to 5 months in a park, do you leave grey valve open or close. When close have to empty often. Does it damage anything to leave open except when you want it full to dump with black t...
Forum Discussion
Leave it open. I've been full timing for nearly three years and always have left my grey tank open with no problem. For me it was more like I had to empty it every two days. Not going to happen.
