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Old 09-21-2010, 02:53 PM   #1
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Default Brass mash tun fittings

I know brass fittings on my boil pot is a no no. But what about brass on my mash tun? I have a stainless ball valve but unless I order and wait I will have to use brass nipples. Any issues?

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Old 09-21-2010, 03:29 PM   #2
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I know brass fittings on my boil pot is a no no. But what about brass on my mash tun? I have a stainless ball valve but unless I order and wait I will have to use brass nipples. Any issues?
I'm wondering why you think brass is a "no no"? After it's been pickled it's perfectly safe, and the amount of lead even if it hasn't been pickled is almost insignificant.

FWIW, I use brass on my boil kettle...
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Old 09-21-2010, 03:29 PM   #3
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I've wondered the same thing. I have access to everything I would need to make an automated sculpture but don't know where I can and cannot use brass.

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Old 09-21-2010, 03:33 PM   #4
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I've wondered the same thing. I have access to everything I would need to make an automated sculpture but don't know where I can and cannot use brass.
AFAIK, as with copper, using it anytime before fermentation is OK.
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Old 09-21-2010, 03:37 PM   #5
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The consensus seems to be that it isn't that big of a deal.

The theory is that there is lead in the brass, but the lead is removed by washing or pickling.

The biggest threat would be from prolonged exposure to the brass, like in the fermenter. Since it is just in your mash tun I wouldn't worry about it.

Read for more info about washing...
http://www.howtobrew.com/appendices/appendixB.html

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Old 09-21-2010, 07:00 PM   #6
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What about galvanized washers?

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Old 09-21-2010, 07:03 PM   #7
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Ok what about a galvanized washer inside the tun?

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Old 09-21-2010, 07:04 PM   #8
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Galvanized or Zinc are a no go due to the acidity of the wort. (Someone correct me if I'm wrong.)

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Old 09-21-2010, 07:41 PM   #9
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Galvanized or Zinc are a no go due to the acidity of the wort. (Someone correct me if I'm wrong.)
Its true they will rust. Stainless or nothing.
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Old 09-21-2010, 08:38 PM   #10
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Its true they will rust. Stainless or nothing.
Or brass reamed out to required size.
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