ATTENTION: All Postings that advertise items for sale will be deleted from the Discussion Forum. You may post sale items for free in the Classifieds section. Sign up now.
Re: Holding tank sensor by Christopher
If the things you did haven't cleared up the sensors, I know that Camco has a tank deodorizer which is specifically formulated to clean the sensor pads. You might try that. I'm sure you can purchase it at your local RV store. Good luck!