how much ice in black tank to clean sensor?
We bought our first camper a few weeks ago and this will be our second trip. When we bought it the black sensor said it was 2/3 full, on our first trip we emptied it and flushed it with a Flush King, ...
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I turn the water pump off so there is no water pressure, then "flush" the toilet so the valve opens but no water flow. I then shine as flashlight into the tank to see the sewage level.
