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Originally Posted by 63 Pontiac
What product/method is good for removing rust stains from painted surfaces? Have a few spots in the door jambs where these rust stains won't wash off.
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What is the rust from? if its coming from underneath the paint, you cant really remove the stains as they are not just a surface type stain.
There are products for stains, Ive used one called "the must for rust", its a phosphoric acid liquid that you apply & leave on for 15-20 minutes & it chemically removes the rust, works on stains and heavier surface rust. There are others like rid-rust or even CLR that works on calcium/lime or rust stains.
Need to determine what the rust is from, a product might help or remove your stains but if its happening under the paint it will come back & eventually break through the paint.