Quote:
Originally Posted by masraum
I assume you want to be very sure that you then neutralize any acid with a base (baking soda) and then thoroughly rinse any remnants of the acid and/or base away, and then get rid of the water (so it doesn't create more/new rust).
There's also "evaporust" which is a product that gets a lot of press these days for various things.
I'd be concerned with most caustic chemical solutions (acid, base). I believe that using an acid will potentially cause new damage (in addition to what was caused by the rust).
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The acids are going to cause a lot of problems for the newly painted interior. Wet sanding should be pretty safe.