Smoker Rust Protection (Brinkmann Trailmaster Limited Edition)

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jsmoke23

Newbie
Original poster
Sep 28, 2015
13
10
Chicago
Everyone, 

I have been smoking on a Brinkmann Limited Edition Trailmaster.  After about a few cooks I noticed the fire box has developed quite a bit of rust.  I have invested a little money on this smoker w/ mods such as tuning and baffle plate, charcoal box, gasket for cooking chamber so I'm trying to preserve it as long as possible.  Any thoughts on what I can do to get the rust out and protect it from rusting? Any good high temp paint out there safe to use?  
 
Hmmm, the fire box is always the sacrificial lamb in my smoker. I season and care for everything else, but the fire box takes too much of a beating for anything to work effectively, so I just let it be. Maybe someone else out there has the secret...?
 
I used the rustoleum high temp grill paint that is sold at most hardware stores on my UDS. It has held up well with no signs of damage at temps over 400 degrees. 
 
Humdinger - Thanks for the advise.  I guess my worry was that if I left it untreated the rust would eventually eat away at the firebox.
 
I didn't spend much time researching paint since the one I used is rated to 1200 degrees. If my UDS gets that hot than I have bigger problems than the paint 
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Here is what I used:

1710486f-e7af-4c05-96fb-09a3936d6969_400.jpg
 
Do they still make a product called "ospho"? My spelling may be wrong but it was a green colored liquid made by 3m, I believe. My dad always had a big bottle of it in the garage. It use to nutrilize rust on contact. Good stuff if you can find it. Sand it down and paint over it.
 
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