Best time to empty black water tank
I'm not only new to RVing but have recently gone full time (come November, the actual adventure begins). I'm not having any troubles with my black water system and simply asking to avoid future proble...
Forum Discussion
I always dump black tanks when full, to the top. I keep our gray valve open all the time as we are in one spot for five months. I do close the gray prior to dumping the black. I run about ten gallons of fresh water into the gray tank then open the valve and leave it open until the black is once again full.
