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Old 06-29-2014, 02:13 PM   #15
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2012 27' Flying Cloud
W , New England
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Originally Posted by Gene View Post
Running the bathroom exhaust fan helps a little. And staying away from beans helps too.

Can't disagree about beans.

But my experience with the bathroom fan is 180 degrees opposite yours. I find closing the fan fixture and the lid when flushing helps a lot. When the bathroom vent is open (especially with the fan on and air being sucked up out of the trailer) plus the toilet seat is up, black tank odors just get drawn right up with the breeze.

I'm going to back flush this weekend at my site. The draw bar at the blank tank has been feeling tighter and despite a complete full tank flush every time (without fail) before storing, this weekend didn't get off to a great start in that department :-)

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Old 07-03-2014, 12:52 PM   #16
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Grand Junction , Colorado
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The valve on our black tank, and the one on the grey tank to a lesser degree, is hard to open and close. There's a solution sold in RV stores that is supposed to loosen up the valves and works to some degree. Eventually I know I'll have to take it part and clean it, but I'm hoping to delay that for many years. I think toilet paper gets stuck in the valve seals and hardens and food particles gets stuck in the grey tank valve seals.

Sorry the bathroom fan doesn't work for you, but it is a temporary solution until there's a chance to backflush the tank.


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Old 07-03-2014, 01:41 PM   #17
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1966 24' Tradewind
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Bastrop , Texas
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Originally Posted by Gene View Post
In ours the bathroom sewer vent is really close to the bedroom Fantastic Fan. That fan should be set to exhaust only. If it is installed with the wiring backwards, it will act as an intake fan. Then you can remove the inside cover and reverse the wires going to the fan motor to make it exhaust. Some fans have a reverse switch, but the fan should only be set to exhaust.

Usually our black tank doesn't smell bad for about a week, but sometimes sooner. If there's no chance (or desire) to dump and flush the black tank, we just pour more deodorant down the toilet. Running the bathroom exhaust fan helps a little. And staying away from beans helps too.

Except for Dove Creek beans from Adobe Milling in Dove Creek SW of you Gene ! We stopped there last month and left with about 40 pounds of some of the best beans on the planet . Dove Creek beans and Olathe sweet corn ! It's whats for dinner

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