Black tank says full but it’s empty
Fairly new RV. Have rigorously followed instructions regarding emptying only when full, keeping water in the bottom, using a black tank tablet. On a recent trip, I was surprised to see the black ta...
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Fill the tanks roughly 1/4 full and add about 1/2 cup or so dishwasher soap (liquid) before you leave for next trip. When you get to the site, dump the tanks and most likely they will work. I've tried other methods and this by far works the best for me. The dishwasher soap is made to dissolve the grease and sludge that's grounding the sensors. I also do this every 5th or 6th trip as maintenance cleaning, have not had a sensor give a false reading in 5 years of doing it this way. Good Luck !
