Toilet Smells Horrific When Flushing
I posted a while back about a venting problem we had with our 5th wheel that is. Sing lived in while parked indoors. (https://www.rv.net/forum/index.cfm/fuseaction/thread/tid/30096797/gotomsg/30097053...
Forum Discussion
You might consider pouring a bit of bleach into your tank. The bleach will kill bacteria which is the cause of the smell. May not be a perfect fix but it's an inexpensive/quick solution to many smell issues. Just my 02.
