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Old 09-28-2020, 09:58 PM   #1
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1973 27' Overlander
malibu , California
Join Date: Sep 2020
Posts: 1
how to eliminate lingering smell from grey water tank

Hello, first time posting here, and I'm hoping to get some answers from others who may have run into my challenge. I have a refurbished '73 Airstream Overlander that's currently parked on my property and inhabited by my sister. We can't seem to get rid of the lingering smell coming from the grey water tank, even with repeated use of grey water odor eaters. It's a stationary trailer at the moment, so we don't have the ability to agitate the water in the tank with a drive. Additionally, there isn't a trap or one-way valve connected to our shower , so odors have a direct pathway into the trailer. The grey water tank is in the belly pan and not accessible. Looking for advice on managing odors in this scenario -- there is a terrible smell most every time we run water. At this point, I assume there is bacteria living in the tank (sis is aware that no food particles can go down the sink, but no doubt there are some remnants?), but we can't seem to remove the odor without being able to agitate the water in the tank, or directly access the tank for a thorough physical cleaning. Any ideas on how to resolve this issue? Or ideas on what else the issue might be? Our noses thank you!
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Old 09-28-2020, 10:14 PM   #2
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2017 22' Sport
NCR , Ontario
Join Date: Feb 2017
Posts: 2,208
We use the same blue bags that are used to break down the black tank.

Evevery 3-5 grey tank dump, we andd a blue bag
There a many firms that make then and very easy to find at rv stores
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