What's the best plan for this rust at the rear window?

tbm3fan

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I am not a fan of POR since all it really does is cover up live rust. How long will the rust stay in suspended animation is the question. I always kill rust where I find it using a converter like Picklex 20 on cars while I use Ospho on the USS Hornet. Once neutralized I then use my epoxy primer on cars and red oxide on the ship. I tried POR on the deck of the ship 18 years ago and had rust show through in 2 years. This past Saturday I covered a 40 sq. ft. deck with a good layer of Ospho. Just saw it at 11:00 am today and all rust is now black specks. Primer this Saturday.
 

furious70

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I did the underside of my 91 Cummins back in the day with por15 after moving out to Chicago and the salt and brine started killing a very clean truck. It seemed to do the job
 
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