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Old 05-26-2010, 05:30 AM   #1
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Default Is this weld too rusty for beer???

I was given this mash tun which has had a lot of use over the years. But the weld in the bottom seams to have rusted, Im sure I can get some of it off with wd40 and some steel wool. But would having just a little rust be detrimental to the flavor of the beer.
The off color around the weld seems to be more of a stain from either rust or grains and some of it comes off easily.

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Old 05-26-2010, 05:43 AM   #2
I use secondaries. :p
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Old 05-26-2010, 01:27 PM   #3
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Is it possible that the fitting is not stainless?


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Old 05-26-2010, 01:47 PM   #4
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I would ask a reputable welder if they can replace the fitting.

If that is not an option, a dremel tool and a wire brush attachment might get nearly all of it. Of course you'll have to brew all the time to keep the rust from coming back.
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Old 05-26-2010, 06:43 PM   #5
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+1 for new fitting. get that trash out of there. i wouldn't worry about the surface rust on the bottom of the tun tho, just clean it up as homercidal suggest.
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Old 05-28-2010, 01:09 AM   #6
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Kinda looks like a weldless fitting. Put some PB Blaster on it and try to break it loose. Then go buy a new one for about $10.
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Old 05-28-2010, 02:56 AM   #7
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It does look like it is a weldless fitting. I'd do the PB Blaster spray a couple of times over a day or two, then break it loose and replace the fitting all together.

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