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Old 02-18-2010, 07:02 PM   #1
bradleyj00
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Jan 2008
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I have a couple of 10g kegs that have some very stubborn stains on the inside. I've used oxyclean, ecolox, scrubbed with hot soapy water, but nothing works. It's sort of a hard gummy substance that just won't let go.

Any ideas? Suggestions?

Thanks.

 
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Old 02-18-2010, 07:05 PM   #2
GilaMinumBeer
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So it's actually a surface gum or is it actually the stainless?

 
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Old 02-18-2010, 07:13 PM   #3
bradleyj00
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Jan 2008
Newfoundland
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Tough call. It's a hard brown substance that I think is on top of the stainless steel. I initially thought it might be rust or corrosion, but I think it's something stuck to the stainless steel surface.

 
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Old 02-18-2010, 07:21 PM   #4
Synovia
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maybe something acid based? sounds like all the cleaners you've used have been basic

 
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Old 02-18-2010, 07:25 PM   #5
bradleyj00
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Thanks. Any suggestions for an acid based cleaner?

 
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Old 02-18-2010, 07:37 PM   #6
hoppymonkey
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try some Starsan!

 
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Old 02-18-2010, 07:43 PM   #7
MarsColonist
 
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might be beerstone
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Old 02-18-2010, 07:55 PM   #8
GilaMinumBeer
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Quote:
Originally Posted by maxhavoc View Post
might be beerstone
this ^.

Try Bar Keepers Friend. Thick paste and let it set for a while. It's Oxalic acid.

There is also PBW. Best to avoid any of the really nasty acids if you can.

 
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Old 02-18-2010, 10:03 PM   #9
david_42
 
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If BKF can't move it, try some Goof-Off.
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