After 5 flush, full black turns go be 2/3.
I end up doing one toilet water with powder
Then flush another 8 toilets of water
After 10 flush, 2/3 black becomes 1/3 black
Then I drive on highway for 30 mins back with the black valve OPEN to air out black tank…
1/3 becomes empty!
Негізгі бет How to clean black tank sensor dirt to get EMPTY signal
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