Forum Discussion
CavemanCharlie
Apr 08, 2013Explorer III
You said outside the trailer? Maybe someone did use facilities. Or, even just using the sink may create a smell in the tanks. That smell is gassing out the roof vents and when the wind is just right you are getting a whiff of it. If it's above freezing in your area I would add a few gallons of water to the tanks to dilute whatever is in there. That may help. There are also many different tank chemicals on the market and other methods to help control odors. Do a search on this site and you will find them.
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