K3WE wrote:
Surprised no one has mentioned those screw on shut off valves that often can let the gray back up into the black tank.
Now, everyone duck as some folks freak out at the concept and predict disruption of the space time continuum.
Yeah, I never could understand the worry about fecal coliform bacteria backing up to the sink from the grey and black tanks being equalized when everything at home is connected to the same line that gets stopped up occasionally. If they're really worried there's nothing a little bleach down the sink drain can't take care of.
