I just bought a Trail Lite B+ 211s with 8.1 Chevy engine. This is my fifth motorhome (others range from an old 20' Vagabond, and three Winnegagos, from 19 to 32'. This vehicle is fantastic. I am...
Burl, do you suppose it is bacteria that grew in there? If you leave water in the tank between uses, that probably could happen. Then again, there is always gonna be "some" water left in the tank, since it doesn't drain completely. In any event, that's what the sanitizing is for.
We got a bunch of fine sand in our tank one time, from a CG. Talk about a mess.