I don't drain my fresh water tank but once a year.......in the fall when I winterize.
If I don't use much water from the tank during a dry camping trip, I will pump the excess into the black and gray tanks so those will dump better. I will watch my fresh water tank gauge, and when the 1/3 light goes out, I stop the pumping. I like to keep some water in the tank for toilet flushing and hand washing while on the road.
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Chap , DW Joy, and Fur Baby Sango
2017 F350 Lariat CCSB, SRW, 4x4, 6.7 PS
2017 Grand Design Reflection 337RLS
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