Best lube for grey tank and black tank valves
What are y'all using to lube valves?
Forum Discussion
Bobbo wrote:MitchF150 wrote:
How would you "lube" them in the first place??
Dump the tanks, close the dump valves, dump in a quart of vegetable oil, open and close the dump valves rapidly a few times to spread it around
^Are you serious?
