You didn't have any guests who are not used to RVing staying with you, did you?
I'm with these guys, in that if it is new and there is a problem, take it back to the dealer.
On the other hand, I'd hate to chew them out about how poorly the black tank drain is designed only to have them find baby wipes, feminine products, or something else that shouldn't be in there clogging up the pipes...
Dodge Ram dually laramie 4x4 w/jake, B&W, Brakesmart.
Kit Patio Hauler 394F toyhauler 5th wheel
Camo 680 Rincon, Green 500 Foreman, Blk twincam Roadking