Steve
Have you tried bleach? I put some in our tank ever so often just for the hxxx of it. We haven't had any problems and we leave the galley opened when parked and the gray opened when doing laundry.
Happy trails............................
Sue and Ed Rowe
Hemet California
2005 3400RL
2006 GMC 3500 Dually, D/A, Crew Cab, Long Bed
