SENSORS
In a 23 ft travel trailer for about 6 months and the black water and grey water sensors are stuck at 2/3 for the last month. We tried some of the granular stuff from camping world but didnt do a thing...
Forum Discussion
Drain your tanks, add about 10 gallons of water to each one. Add about 1/4 cup of Dawn dishwash liquid and go for a good drive over some bumpy and curvey roads with lots of stops and starts. All that sloshing around in the tanks will clean the sensors and remove anything stuck on them. Then when returning home, drain the tanks immediately. First, you'll be surprised at how much "gunk" will come out, second, your sensors will probably start working right again.
