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August 12, 2018 at 1:14 am
#80997
I prefer to add oil to the tank, tip the tank upside down to coat the top inside area as well as the sides.
the tank can be occasionally rotated during storage by placing it on it’s sides, end or top to keep oil in contact.
If moisture had entered the tank, with or without gas in it, the seasonal heating and cooling will have condensation on the inside top of tank. Especially, I think, if gas is left in the tank.
This is a primary area to be corroded.
I have found most rust in solution coming from the inside top of tank.