Originally Posted by strut526
My sister is a seasonal weekender, lately she has noticed that after she dumps the tanks, and does the water and toilet tabs for the following week. When she comes back, first and second flush usually has the black tank odor. Nasty. She puts in 3 gallons of water for set up. Is there something she is doing wrong? Is there a reason for the smell? I have been camping in my 5th wheel for years, and never had an odor issue.
Maybe give these a try! Works on black and gray vent stacks.
2012 F150 FX4 Crew 5.0 3.73 gears
2O12 Coachman Freedom Express 292BHDS (outdoor Kitchen)