Thread: Black tank/Gray tank termination valves
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Old 01-06-2015, 03:05 AM   #8
SteveC
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Join Date: Jun 2011
Location: Victoria
Posts: 11
M.O.C. #11478
I use about 8 ounces of Baby Oil with a couple of gallons of water then work the valves back and forth.
Cheers!
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