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Old 12-21-2007, 03:59 AM   #1
njnear76
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Out of curiousity, who has pickled their brass parts. I recently built FlyGuy's mash tun and was reading Palmer. Apparently there is a little bit of surface lead on brass parts which can removed by a mixture of hydrogen peroxide and distilled white vinegar.

I might do this, but I don't really want to take a part the mash tun. Can I just pour the solution into the mash tun or will it make my mash tun smell like pickles?

Thanks,

Mike

 
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Old 12-21-2007, 05:05 AM   #2
Bobby_M
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I think drinking a little lead add character.

No, I haven't pickled. I probably would if I was boiling in a brass kettle. There's tons of brass in plumbing and we drink that water our whole lives.
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Old 12-21-2007, 05:47 AM   #3
billtzk
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I didn't pickle any of my brass valves when I had them, but I didn't know about the lead when I built my equipment either. I'd have done it if I'd known since the valves were on my mash tun and boil kettle. I've got SS now.

Bobby_M is right about our drinking water passing through brass all the time. Most plumbing lines are copper, but most fixtures are made of brass.

I noticed that MoreBeer is selling nickel-plated brass valves these days. Does anyone know if the nickel plating protects against lead?

 
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Old 12-21-2007, 06:07 AM   #4
Bsquared
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I did it with mine, and I also did it with the whole MLT together. I rinsed my system for about 30min in hot water 3 times after and I did not notice any smell, or green color remaining.

 
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Old 12-21-2007, 07:05 AM   #5
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I did it on my counter-pressure filler since it had quite a few brass fittings. I didn't on my mash tun adn I's fel fien...
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Old 12-21-2007, 09:01 AM   #6
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From what I've heard, this is usually a problem for shiners who distill their own liquor. The high alc content leaches the lead out of the brass to levels high enough to be dangerous. I'm not sure what effect heat or low alc contents will have on brass, but I'd remove the lead to be safe. Lead poisoning is serious business. It'd really suck if it turned out your homebrews were slowing poisoning you.

As far as brass being used in the water supply, that's true, but there's also no alcohol in the water supply so I guess the leaching effect is minimal or nonexistent.


 
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Old 12-21-2007, 01:14 PM   #7
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But there is no alcohol in you hlt,Mt, an boil ketlle.
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Old 12-21-2007, 01:37 PM   #8
njnear76
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Quote:
Originally Posted by Bsquared
I did it with mine, and I also did it with the whole MLT together. I rinsed my system for about 30min in hot water 3 times after and I did not notice any smell, or green color remaining.
Hmmmm... I may as well do it to be on the safe side. I'm debating on taking the whole thing a part though. It's take a good 10-15 minutes to take the rubbermaid flyguy mlt design apart.

 
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Old 12-21-2007, 02:31 PM   #9
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The problem with trying to do it in place is the vinegar and hydrogen peroxide will not be able to get to the brass on the out side of the ball valve except for a few seconds as you drain it. On second thought you could just pour it thru and collect the liquid then do it again and again. That might be more trouble than taking the spigot off.

Either way I'd do it the effects of lead are cumulative it think so any you can eliminate would be good.

Also I think that it's the acidity of the wort that leachs the lead.
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Old 12-21-2007, 03:06 PM   #10
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The outside of the ball valve will never touch wort anyway so why pickle that.
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