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RV Doctor: Preventing RV Sewer System Odors

The RV Doctor discusses the best vent caps and other devices for preventing unwanted odors.

To have RV Doctor Gary Bunzer help cure what ails your RV, post questions in the comments section. Note that he can only diagnose and offer prescriptions for a select few conditions. Although every effort is made to ensure accuracy, not all responses will apply in every instance. Some situations will require additional inspection or testing. Before following instructions or procedures covered in this video series, you must satisfy yourself that products, equipment, and your personal safety won’t be compromised or jeopardized. When in doubt, work with an RV service facility. The advice offered by the RV Doctor is solely that of Gary Bunzer and not of RM Acquisition, LLC d/b/a Rand McNally. Likewise, products and manufacturers provided as examples don’t signify endorsement by Rand McNally.

  1. Ken Bowler

    We are just getting into RVing with a new Bullet Premier 22 foot trailer.\
    I am trying to educate myself before we set out, but wonder are grey/black tank smells inevitable with all trailers – is it just a matter of time? I see products like Blue Streak which emits a small amount of chemical into both to fragrance the situation. I also see roof vents like 360 Siphon which can change the direction of air flow to prevent down drafts. Sure seal offers advice on shower protection re: grey water smells. While our new trailer has a shower system installed in the black water tank, is it adequate to keep it clean and prevent refuse from collecting on the tank electrodes. Your thoughts would be appreciated.