How full is full? (Black tank)
Been parked for 9 days at a CG with no sewer on site. We've been careful to go to the toilets on the CG most if the times except nights and early morning. Of course, the sensor showed 3/4 full after t...
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You will know when it is full! It may burp some air when flushing. Or, you will see the...ummm...stuff through the black hole. Forget about the sensors.
