Yahoo Message Number: 95718 (http://groups.yahoo.com/neo/groups/Country-Coach-Owners/conversations/messages/95718)
Regarding Odor in coach from bathroom. lWe had problems for years changing chemicals and trying everything. Finally I took someones advice and purchased one of these vents, for every pipe sticking up on the roof. I stopped using chemicals and only use Rid-X . First must flush the system of any chemicals, add Rid-x drive around and let it get on all the walls of the tank. Finally add three toilets full of water and Rid-x. You will never never have odor issues again. We are now on our 5th year without any oder.