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Old 07-23-2009, 11:34 PM   #1
fartingdog
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Default Best way to remove beerstone/caustic residue in a sankey?

Hey all-

Tried a search, but couldn't find anything. I have an old sankey I plan on using as a fermenter. It had a bit of old beerstone on the sides and bottom, so I did an overnite strong PBW soak. Afterwords it had what appeared to be a caustic residue where the beerstone used to be. I took it to a friends brewery, tried an overnight Peracetic acid soak, still no luck.

Some folks recommended using CLR clear, but I'm not sure of the strength used or soak times. Anyone have any experience with CLR or recommendations on other methods to knock this crud off?

Thanks!

fd

*edit* It's just a sankey with the spear removed, in hindsight that might've helped to post.



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Last edited by fartingdog; 07-24-2009 at 12:59 AM. Reason: added info
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Old 07-23-2009, 11:39 PM   #2
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clr full strength, soaked overnight (multiple bottles) did nothing for me. I had to use a stainless scrubbie to grind the crap off. I then used bar keepers friend.



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Old 07-23-2009, 11:42 PM   #3
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BKF works pretty good for heavy deposits. To keep it from accumulating, I cut a lemon in 1/2 and rub the lemon after each brew. I haven't had to use BKF in a long time.

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Old 07-24-2009, 12:54 AM   #4
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I'm pretty sure the BKF would knock that stuff off in a heartbeat (it does for my keggle or anything I can reach into). Crappy thing is that I can't get any leverage with anything I can get thru the small opening- it's just a sankey with the spear removed, with the intention of keeping that way for a fermenter.

Hey lowlife, did you do that to a fermenter or a keggle? If you did it for a fermenter, what was your method?

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Last edited by fartingdog; 07-24-2009 at 12:57 AM. Reason: needed to add info
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Old 07-24-2009, 01:08 AM   #5
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it was a keggle. I couldnt get the junk off to save my life. I tried soaking it in multiple gallons of vinegar (for about a week) to some degree of success. I kept scrubbing it with a dish washing green scrubbie. It took a lot off but the get the remainder I had to use a metal scrubbie. This particular keg was stubborn.

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Old 07-24-2009, 01:25 AM   #6
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I was just researching this on probrewer, seems like acid treatments will loosen the scale, but it still need to be manually wiped/scrubbed. Now how the hell do I get in that tiny opening? grrr.

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Old 07-24-2009, 01:30 AM   #7
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carboy brush??

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Old 07-24-2009, 02:05 AM   #8
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Actually caustic is pretty good at getting beerstone off.

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Old 07-24-2009, 10:30 AM   #9
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I use PBW.

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Old 07-24-2009, 11:11 AM   #10
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I've had deposits left from PBW before. The key is to do a hot soak and not let it cool overnight. If the solution is still hot, a hot rinse should not leave residue.

I think I remember hearing a strong Starsan (acid) soak will help remove scale. If all else fails, I don't think it will hurt your beer. My scale went away after a few batches and I don't taste a difference. Now I make sure I always do hot PBW with a hot rinse.



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