bklaes Posted August 3, 2022 Share Posted August 3, 2022 It started minor but now it's unbearable. Both tanks are dumped, work a few gallons of fresh water added. Three new Studor air admittance valves installed. All the sinks have water in the traps. So does the shower and washer dryer. I'm getting whiffs outside the coach on the passenger side, but not inside the bays. Hoping to control the smells, I treated both tanks with chemicals which I have never done and never needed to in 7 years. Didn't help. I read on a prior post there is a valve on the top of the black tank for the tank flush sprayer. I don't know where to start to look for it on my 05 diplomat. Anybody got anything? Link to comment Share on other sites More sharing options...
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