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Date: 20 Nov 2006 22:27:42
From: joanne fee
Subject: steriliser residue?
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I have left my keg with steriliser solution sitting for a week! when I came
to empty and rinse it for use there was a milky sludge on the barrel that
looked like wall paper paste. Do you know what this is and is it going to be
a problem if I just rinse the barrel and use it or should I re sterilise
first? I do not usually leave it more than a day but as I have not used it
for a while I left it while my beer was fermenting.
Andy
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Date: 20 Nov 2006 19:18:18
From: Scott Lindner
Subject: Re: steriliser residue?
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>I have left my keg with steriliser solution sitting for a week! when I came
>to empty and rinse it for use there was a milky sludge on the barrel that
>looked like wall paper paste. Do you know what this is and is it going to
>be a problem if I just rinse the barrel and use it or should I re sterilise
>first? I do not usually leave it more than a day but as I have not used it
>for a while I left it while my beer was fermenting.
I'm assuming you mean sanitzer and not sterlizer. What product did you use?
I don't fully comprehend the chemistry involved regarding stainless steal
but it's possible you stripped off a layer of the stainless and need to ..
what's the word for it.. condition the stainless again?
Scott
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Date: 21 Nov 2006 03:05:00
From: Artarius
Subject: Re: steriliser residue?
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I think its only aluminum you have to re-condition if the alum loses its
oxidated layer.
Stainless AFAIK dont require this.
If the "steriliser" was iodophor, ive left some in plastic once, and it
created a slime film on top after what seemed like a month.
"Scott Lindner" <nospam@noemail.com > wrote in message
news:1fudnVkXeph6_P_YnZ2dnUVZ_vCdnZ2d@adelphia.com...
> >I have left my keg with steriliser solution sitting for a week! when I
> >came to empty and rinse it for use there was a milky sludge on the barrel
> >that looked like wall paper paste. Do you know what this is and is it
> >going to be a problem if I just rinse the barrel and use it or should I
> >re sterilise first? I do not usually leave it more than a day but as I
> >have not used it for a while I left it while my beer was fermenting.
>
> I'm assuming you mean sanitzer and not sterlizer. What product did you
> use?
>
> I don't fully comprehend the chemistry involved regarding stainless steal
> but it's possible you stripped off a layer of the stainless and need to ..
> what's the word for it.. condition the stainless again?
>
> Scott
>
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Date: 20 Nov 2006 22:02:06
From: JS
Subject: Re: steriliser residue?
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On Mon, 20 Nov 2006 19:18:18 -0700, "Scott Lindner"
<nospam@noemail.com > wrote:
>>I have left my keg with steriliser solution sitting for a week! when I came
>>to empty and rinse it for use there was a milky sludge on the barrel that
>>looked like wall paper paste. Do you know what this is and is it going to
>>be a problem if I just rinse the barrel and use it or should I re sterilise
>>first? I do not usually leave it more than a day but as I have not used it
>>for a while I left it while my beer was fermenting.
>
>I'm assuming you mean sanitzer and not sterlizer. What product did you use?
>
>I don't fully comprehend the chemistry involved regarding stainless steal
>but it's possible you stripped off a layer of the stainless and need to ..
>what's the word for it.. condition the stainless again?
>
>Scott
>
I'm wondering if he used Star San. I've noticed it tends to leave a
milky-white film if it sits a while.
--
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Date: 21 Nov 2006 14:34:59
From: Dan Logcher
Subject: Re: steriliser residue?
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Scott Lindner wrote:
>>I have left my keg with steriliser solution sitting for a week! when I came
>>to empty and rinse it for use there was a milky sludge on the barrel that
>>looked like wall paper paste. Do you know what this is and is it going to
>>be a problem if I just rinse the barrel and use it or should I re sterilise
>>first? I do not usually leave it more than a day but as I have not used it
>>for a while I left it while my beer was fermenting.
>
>
> I'm assuming you mean sanitzer and not sterlizer. What product did you use?
>
> I don't fully comprehend the chemistry involved regarding stainless steal
> but it's possible you stripped off a layer of the stainless and need to ..
> what's the word for it.. condition the stainless again?
I've noticed some soda ash on the dip tube after using B-Brite.
I remove and wipe clean before filling, as I remove all the parts
to sanitize.
--
Dan
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Date: 21 Nov 2006 19:46:28
From: John 'Shaggy' Kolesar
Subject: Re: steriliser residue?
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On Mon, 20 Nov 2006 22:27:42 GMT, <joanne.fee@ntlworld.com > wrote:
> I have left my keg with steriliser solution sitting for a week! when I came
> to empty and rinse it for use there was a milky sludge on the barrel that
> looked like wall paper paste. Do you know what this is and is it going to be
> a problem if I just rinse the barrel and use it or should I re sterilise
> first? I do not usually leave it more than a day but as I have not used it
> for a while I left it while my beer was fermenting.
What sanitizer are you using?
John.
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Date: 21 Nov 2006 23:18:57
From: MarkMc
Subject: Re: steriliser residue?
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Although it seems that way, but stainless is not invincible. Caustic
sanitisers such as bleach, antiformin etc will corrode stainless. The
general advice given seems to be to keep contact time below an hour and
rinse thoroughly and get the item dry if being stored, i.e. no drips or
puddles.
Commercial breweries will do an acid wash in their stainless vessels to
neutralise the caustic.
IIRC John Palmer has a good section on this kind of thing in his book
or online at www.howtoberw.com
Cheers,
Mark
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