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Old 06-03-2011, 12:55 AM   #1
etgales
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Jun 2011
Santa Barbara, CA
Posts: 3


Recently, after having let my 6 gal. glass carboy soak overnight in bleach-water, I found quite a lot of sediment at the bottom (and a good deal on the sides). A friend of mine suggested that it was hard-water calcification.

I have been unable to remove this sediment. I have used 1-Step, Iodophor, warm water, all with my carboy brush, and it seems to have little or no effect. I am currently trying phosphoric acid.

Any suggestions?

 
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Old 06-03-2011, 01:27 AM   #2
northernlad
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Aug 2009
NW
Posts: 1,630
Liked 29 Times on 23 Posts


Do you have sediment or haze? If it is indeed calcium deposits and nothing else works, you could try a liquid coffee cleaner like Java Kleen and see if that helps.

 
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Old 06-03-2011, 01:29 AM   #3

My typical two-step process is to do a soak in oxyclean for a day, then rinse, then diluted vinegar soak for a few minutes. The vinegar soak takes away any scale or deposit that the oxyclean might leave.

 
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Old 06-03-2011, 07:32 AM   #4
etgales
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Jun 2011
Santa Barbara, CA
Posts: 3

Thanks for the advice. Actually, since I posted this, I checked my fermenter. The bottom is quite clear. Most of the stuff on the sides is gone, but that might require a bit more effort. Apparently, phosphoric acid works.

 
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