I've noticed with our motorhome that when I drive it for more than a couple hours, I tend to get strong odors from the black tank seeping into the coach. Not sure why, but here's my theory....When pa...
My bathroom odor was from the clothes washer drain hose sticking into the pvc drain too far, displacing water in the 'P' trap. I raised the washer drain hose and fastened it to keep in out of the trap, and no more odors.