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Old 04-04-2013, 11:18 PM   #1
PierTous
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Feb 2011
St-Alexandre, Quebec
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Hi keg for years, and this problem is growing : I having a scale or "beer stone" problem in my kegs. washing with PSB, TSP, Caustic (2,5%) , soap, or lime removal doesn't seem to remove my white deposit. Any idea ?

 
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Old 04-05-2013, 01:02 AM   #2
day_trippr
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May 2011
Stow, MA
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I've never had beer stone appear "white". My guess is a mineral buildup, possibly the result of hard water.

The one thing apparently not tried is something acidic. Try mixing up a white vinegar & water solution, maybe a cup of vinegar in a quart of water (or a strong Star San solution - doubled, just for grins) pour it in, give it a good swirl, let it sit for awhile, repeat a couple of times, then dump into the next keg and rinse out the first, and see how it looks...

Cheers!

[edit] I just noticed the "lime removal" part. I assume that was something acidic (CLR, perhaps). If that's true, I'm not sure what you're looking at...

 
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Old 04-05-2013, 01:15 AM   #3
kapbrew13
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Mar 2011
somerset, NJ
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Good long soak in starsan gets rid of white stuff in my bottles, carboys, etc.

 
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Old 04-05-2013, 01:51 AM   #4
72Chevelle
 
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Feb 2013
Mooresville, North Carolina
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this article on byo said use foaming acid cleaner by spartan chemicals but i couldn't find it anywhere online. But it looks like acid is the way to go.
http://byo.com/equipment/item/1660-y...rewery-checkup

 
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Old 04-05-2013, 02:42 AM   #5
JRems
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Nov 2010
Mahopac, NY
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Most kegs look nice and shiny inside when you get them, from the acidic soda syrup that used to be inside. So it's most likely beerstone. I use saniclean, about 3oz for 5 gal should clean it up. If it's real bad just attach a scotchbrite pad to a stick and scrub it manually with BKF. That will get rid of it very easily.
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Old 04-05-2013, 02:50 AM   #6
Pratzie
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Sep 2012
Northeastern Pennsylvania
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Heated white vinegar can be used to remove hard deposits from things. Maybe give that a go. I believe it has to be pretty warm though, almost boiling
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Old 04-05-2013, 02:57 AM   #7
Komocabo
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Oct 2012
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Have you tried oxiclean free? That stuff works like a charm!

Edit... nevermind! PBW is basically the same thing. Try the vinegar route
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