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Old 05-14-2021, 09:04 AM   #2
lets go
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Join Date: Mar 2021
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Something you might try if you suspect that you still have waste in the tank is put a couple of bags of ice down the toilet and drive around on a bumpy road, then dump the tank and after that you can pour some vegetable oil in the tank and let it stay until next dumping. You could also buy one of those spray wands that screw onto end of hose and stick it down the throat of toilet and move it around sometimes the black tank flush system just dot cut it.

I have never seen a one of those tank sensors that work correctly and that goes for gray and fresh water as well.

Hope this helps
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