Forum Discussion
dahkota
Sep 03, 2013Explorer
The gauges are typically marked in 1/3 increments. So, with a 42 gallon tank, 15 gallons would move it past 1/3 full to 2/3s full. 29 gallons would move the gauge past 2/3 full to full. In the case of your BIL, maybe the tank didn't empty out completely (TP, poop, etc), accounting for the 3 gallon difference. But, I believe, when he hit 26 gallons of added water, he still had about 13 gallons of space left. I could be wrong, but that is my experience with the two tts I have owned.
I find it much better to be warned before I am full than after...
I find it much better to be warned before I am full than after...
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