[Foldbak]

Thanks for the detailed explanation Dutch. This might be rocket science. You have way too much time on your hands lol.
The longest trip we've taken is 4 nights and never had a problem. Obviously we can't rely on the monitors. Has anyone had success cleaning the sensors? I'm trying to explain to DW why she can't use the sensors on her 100K RV. She's not hearing me... We have the same size and amount of tanks. Galley water will be the first to dump. Gray will be the last. My main concern is the black. I think if we use Carl's suggestion "use the facility bathroom" as much as possible we should be ok? This is going to be a learning experience. Now that I'm retired the trips get longer so I need to get this down.