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Old 05-06-2021, 05:15 AM   #3
Gregory
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Join Date: Jan 2020
Posts: 44
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Dump black, dump gray if used, then refill a few gallons in black/gray and rinse again. You can either flush toilet or use a couple of jugs.
Then detach hose from trailer and rinse into hole.
Some people do tip there trailer with leveling blocks towards the hole.
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