Warning: Gruesome Pictures...

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DaveNH
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Warning: Gruesome Pictures...

#1

Post by DaveNH »

I recently picked up a semi-tough non IRTP Krueger Cream Ale #89-33 with a little rust on it. I've had it up on my shelf and have been thinking about dipping it in some acid to clean it up a bit. Well, that's exactly I did yesterday and plopped the can in my single can small bucket (old plastic mayonaise jar) and put some acid it with hot, hot tap water and sealed the jar. I've done this about 50 times give or take and normally put in about a tablespoon of oxalic acid but this time (read DUMMY) since my acid tub was almost empty and I poured in the whole thing in. Not sure how much acid it actually was but more than a tablespoon and less than 1/8 of a cup. Anyway, after 3 hours I pulled the can out and rinsed it off and let it air dry. Well, as you can see I now have a faded can (Krueger Cream Ales of this vintage do this easily) and the paint is faking off. Doh! Too much acid. :smt021 Remember: A Little Acid Goes a Long Way! Totally my fault and will never put in more acid than a tablespoon.
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After Acid 1
After Acid 1
After Acid 2
After Acid 2
Original Can
Original Can


Thanks. Dave
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Daev Larrazolo
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Re: Warning: Gruesome Pictures...

#2

Post by Daev Larrazolo »

Man that sucks
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Re: Warning: Gruesome Pictures...

#3

Post by Flat_Top »

That sucks
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Re: Warning: Gruesome Pictures...

#4

Post by Tom Clark »

Too much acid and its a bad trip!
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Re: Warning: Gruesome Pictures...

#5

Post by LGS »

Yes, that sux. Could it also be the initial water that was put in was too hot?
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Re: Warning: Gruesome Pictures...

#6

Post by Leon »

hot acid will fade your paint.
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Re: Warning: Gruesome Pictures...

#7

Post by Wheaton »

Ow!

I managed to fade an almost-indoor Mule Head beer years ago using a solution that was too hot, and that was a powerful lesson. I guess I usually start it out around 110-115 degrees and that's adequate (I'm just guessing since most of my water heaters have been set at 120, and I figure the water cools a little just moving through the pipes and getting into my bucket). On this occasion I heated some up on the stove. Not boiling, but way hotter than usual, probably 160-180 degrees. I was going off the suggestion of somebody else to "flash" the can - scalding acid for about two minutes to get rid of surface rust. I was also told it can shine up seams and rims. Maybe it worked great for others, but it screwed my world up. Not only did the can permanently fade, but even the clearcoat on the lids turned a dusty color and the seam wound up looking worse.

If I'd have done the same thing with my normal temperature solution for 5-10 minutes it would have been fine.

Sorry about the Krueger!
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Re: Warning: Gruesome Pictures...

#8

Post by plogan42 »

Never use hot water on cans your attempting to keep, esp. on the cans w. enamel paint. Any problems with adhesion and you'll lift the pain right up or get bubbles. :smt023
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