Auto Body TIG Welds

by Wojtech
(Cairns QLD AUS)

I am planning to fix a few bits of rust on the roof of my 4WD.
My question is what to treat that weld with before doing any painting.
I have no problems doing the welds.
Do I just use my pickling gel and a real good clean like on SSteel and a real good clean?
And also what about the inside side of the panel you can't reach to paint?

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the issue with pickling gel is it might cause rusting on bare carbon steel unless it is neutralized completely.

if it is acid based, baking soda, will neutralize it.

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