We haven’t had RV holding tank odor problems in years, but after a recent two-week boondocking stay, we had a BAD gray water smell. Check out the video to see what the problem was, and how easy it was to fix it. We installed 360 Siphon vents on our roof years ago, and haven’t had any problem with tank odors since…. at least that was true until the right conditions combined to cause a nasty smell.

If you’re not familiar with air admittance valves, this short video might just make your RV much improved in the olfactory department. ????

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