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Old 02-10-2009, 03:58 PM   #1
thdewitt
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Default Star San bad for Corny??

Ok, so about 2 weeks ago I filled a Corney with Star San that was left over from sanitizing a clean fermenter. For the past two weeks I have been using C02 to push a little Star San out when needed. This weekend I plan on using the Corny for my Belgian Triple. Here is the question. Can Star San damage a Corny with extended contact times? Can I put my Belgian directly in after emptying. I have heard that Acid cleaners can remove the protective barrier of Stainless Steel after using and that they must be left to oxidize after exposure. Anyone know?? I don't want a metallic taste in my beer.

Thanks,
Tom

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Old 02-10-2009, 04:11 PM   #2
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IIRC, the H3PO4 that is the meat of StarSan promotes passivation of Stainless Steel. Not sure if it has to have air contact or not.

At any rate, I know lots of brewers who store their SS solutions in cornies and have never complained about issues.

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Old 02-10-2009, 07:41 PM   #3
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No issues here- Only thing to really worry about is your starsan solution (PH balance or simple 'does it bubble/foam' test to see if it will still sanitize).

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Old 02-10-2009, 07:43 PM   #4
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Thanks for the advice. I actually check my star san with a PH meter. I was told if it is under 3 that it is OK. Is that correct as far as you know?

Thanks again, Tom

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Old 02-10-2009, 08:10 PM   #5
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I believe its ok if its under 3.5

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Old 02-11-2009, 02:09 AM   #6
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I heard on The Brewing Network's Brew Strong show that you shouldn't store Star San in Stainless Steel over a long period of time. I forget why though...sorry.

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Old 02-11-2009, 02:42 AM   #7
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Quote:
Originally Posted by Stevorino View Post
I heard on The Brewing Network's Brew Strong show that you shouldn't store Star San in Stainless Steel over a long period of time. I forget why though...sorry.
It's been a while since I listened to that show, but I remember it the other way around. I thought Charlie Talley actually said that Star San would be better than water for long-term stainless steel storage. Again though, I could have that all screwed up.

Either way, the original poster could probably get some good information out of the show. I think (key word) it was covered in the "Cleaning" show.
The Brewing Network.com - :

The "Sanitation" show may also have some good information:
The Brewing Network.com - :
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