I use Calgon water softner (Wall Mart) and sometimes a cup of laundry soap mixed with 5 gal of water. Pour these down toilet. Drive the monty around for a bit to swish everything around. Drain the black tank. Might have to add Calgon a second time for bad pyramid. Good luck
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traded 2016 Montana and 2016 2500 RAM mega cab for
2020 Gulf Stream Conquest Class C on
Ford E-450 frame
Toad: 2017 Jeep Wrangler
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