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Old 12-06-2020, 07:47 PM   #11
Gunny B
Seasoned Camper
 
Join Date: Dec 2018
Location: Peru
Posts: 85
M.O.C. #23153
We like to keep the valve open on the gray and just let the water run out. Keep it shut when we are close to a dumping. I like to keep something in the black tank as I think the dawn and calgon will give the tank a good wash down the road.
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