I just drain it out with low point drain. I will also use some to flush with to fill the blank tank to nearly full so it empties well.
Next time I get ready to go out I drop in 1/4 cup clorox and some water to sanitize. Not terribly fussy on that as we take along a gallon of drinking water for cooking and drinking.
Since city water has chlorine in it not much else is needed unless you get a bad smell in the water or growth in the tank if you can see it. Mine is under the bed so easy to check before we leave.
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2017 SLX 195RB
2021 Jeep Grand Cherokee Summit L 5.7L V8
Andersen WDH hitch, Renogy 100 AH Lithium &
200 Watts solar panels from Renogy
Prev. '14 Jeep Grand Cherokee Overland, gas 3.6 V6
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