Thread: Black Tank
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Old 09-17-2019, 11:21 AM   #6
jsb5717
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Join Date: Mar 2019
Location: Milwaukie, OR
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The guages are usually wrong. We've been camping for over 35 years and haven't have a working guage yet. You just learn about how long it takes to fill up. On a 30 gallon tank you should be OK for a week or so.

You can also turn the water off, open the toilet and look with a flashlight to see just how full it is.

Oh, the joys of camping...
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