How to tell the gray tank is full!!
We discovered you can tell the gray tank is full when the kitchen sink backs up into the bath tub.:E Not the most pleasant but at least it was not the black water. The black water we can look in...
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My gauges don't work. The gray water always reads 3/4s full and the blackwater always reads completely full. I've used cleaners that are supposed to clean the sensors and sometimes it gets the sensors working for a few days, but ultimately they quit working again.
I just dump mine every four or five days.
I just dump mine every four or five days.
