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Old 05-13-2012, 10:34 PM   #1
rfoneill
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Apr 2012
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HELP!!!!!! I was recently given 3 glass carboys. 2 -6 gal and 1-5 gal. There is residue on the insides that I can't seem to get out. I soaked in hot bleach water and brushed out what I could with a bottle brush. Then I tried the peroxide,baking soda, and water route with a cup of rice and sloshed that around but there is still some residue on the bottom and up around the necks. Any solution to getting this stuff out of there I don't want it to contaminate my beer when I rack it. Anything will help



 
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Old 05-13-2012, 10:38 PM   #2
bottlebomber
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With what you have done there is very little chance that there is anything that can contaminate. It sounds like some kind of a scale or mineral deposit. You may try vinegar, or even CLR. But if those don't work I would just carry on with using them. They could be etched somehow.



 
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Old 05-13-2012, 10:38 PM   #3
ArcaneXor
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Have you tried an acid, like StarSan?

 
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Old 05-13-2012, 10:41 PM   #4
bottlebomber
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Quote:
Originally Posted by ArcaneXor
Have you tried an acid, like StarSan?
I was just noticing that he only used bases to try and clean it.

 
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Old 05-14-2012, 12:28 AM   #5
day_trippr
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Quote:
Originally Posted by bottlebomber View Post
I was just noticing that he only used bases to try and clean it.
Exactly. So lacking a better description of said residue, there remains a good chance that it's a mineral deposit that acid may well clean bright...

Cheers!

 
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Old 05-14-2012, 12:40 AM   #6
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Vinegar is a strong acid. You probably have some of that in house.
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Old 05-14-2012, 12:58 AM   #7
bottlebomber
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Quote:
Originally Posted by passedpawn
Vinegar is a strong acid. You probably have some of that in house.
Right now he's scrubbing it with some of the wife's Balsamico Tradizionale

 
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Old 05-14-2012, 01:29 AM   #8
conpewter
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I agree with the acid, either star-san or vinegar. In the future after getting it clean, oxyclean is great for cleaning carboys, I never have to scrub anymore.
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Old 05-14-2012, 12:59 PM   #9
progmac
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i filled my used carboy with oxyclean for 48 hours and it looked great after. also, an oxyclean soak will ensure any remaining bleach is neutralized



 
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