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Old 05-26-2010, 05:30 AM   #1
tfrost12's Avatar
Apr 2010
Posts: 47
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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
Walker's Avatar
Sep 2005
Cary, NC
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Check this:
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Old 05-26-2010, 01:27 PM   #3
Nov 2008
Posts: 302
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Is it possible that the fitting is not stainless?


A Flower?

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Old 05-26-2010, 01:47 PM   #4
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Homercidal's Avatar
Feb 2008
Reed City, MI
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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.
Day after day, it reappears. Night after night my heartbeat shows the fear. Ghosts appear and fade away. Come back another day.

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Old 05-26-2010, 06:43 PM   #5
Dec 2008
Posts: 70

+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
TommyBoy's Avatar
Jul 2008
Greenville, South Carolina
Posts: 524
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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.
Heros are made 10 gallons at a time.

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Old 05-28-2010, 02:56 AM   #7
May 2010
Northern Harford County, Maryland
Posts: 248
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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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