Tank guages
Tank gauges are not reliable. Mine constantly show 2/3 to full right after complete dumping, flushing, cleaning. You will learn from experience how long you can go without a problem. ie: I have a 30’ Thor Chateau (class C) and I’ve done fine boondocking for 9 days. 3 days of that was with 3 adults in the RV. Learn to conserve your water usage. Only put TP used for BM down the toilet. All other TP goes in the trash.
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