luvmydogsExplorerDec 29, 2017SENSORSIn a 23 ft travel trailer for about 6 months and the black water and grey water sensors are stuck at 2/3 for the last month. We tried some of the granular stuff from camping world but didnt do a thing...Show More
Old-BiscuitExplorer IIIDec 29, 2017I haven't even paid any attention to ours for over 8 years.After 6 months you should have a good idea when each tank is getting fullJust remember:When toilet 'Burps' ---time to dump black tankWhen sink/shower starts to drain slower---time to dump grey tank(s)And if using pump.....when it goes 'burrrrrrrrrrrrr' ----time to refill fresh water tank
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