Starsan removes ink from printed bottles (Corona, etc.) in just 2 hours - Home Brew Forums

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Old 01-29-2008, 09:04 PM   #1
NitrouStang96
 
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Inspired from Ed's Post:
http://www.homebrewtalk.com/showthread.php?t=32159

MODS:
I thought this was info worthy of a new thread since the other thread is about soaking them for weeks. Plus, I thought it fit in the bottling forum.

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This is after a 2 hour soak in 1oz per 1gal Starsan. Used a brush to wash dishes on the Corona bottle, but I think it would wipe off with your fingers because that's what the Arrogant bottle is dong. I have ink all over my thumb. No need to let dry or flake, it's just wiping right off. I bet it would wash right off in the sink or bathtub.







EDIT:

Tried washing off with water - this made it harder to wipe off. Just let it soak and immediately wash off with a dish scrubber while the bottle is still wet with Starsan.

 
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Old 01-29-2008, 09:22 PM   #2
Germey
 
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Wow, I'm dumbfounded that no one has noticed that before. I had heard specifically (here I think) that those bottles were essentially colored glass that was melted on (like a laser printer) and therefore unremovable by any means other than abrasion. This may be my final impetus for me to switch to starsan.

PS. that bastard bottle looks familiar

 
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Old 01-29-2008, 09:34 PM   #3
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That was, indeed, your beer Are you currently using iodophor?

I'm noticing that the Stone IPA red ink is going to take a little longer soak - the gold rubbed right off, though.

PS - about no one noticing before:
There is a thread about soaking them for weeks in a Starsan solution, but the mixture I used is 5x as strong as recommended for sanitizing. I just wanted to see how fast I could get the ink off, and I have to say it is a success.


 
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Old 01-29-2008, 09:36 PM   #4
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To make sure I understand correctly, this is at 5x concentration, right? Normal is 1oz per 5 gal?

Very cool, thank you for the update - I have a bunch of Red Stripe to try this on!
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Old 01-29-2008, 09:38 PM   #5
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Quote:
Originally Posted by chriso
To make sure I understand correctly, this is at 5x concentration, right? Normal is 1oz per 5 gal? Very cool, thank you for the update - I have a bunch of Red Stripe to try this on!
Correct. I edited the above post as well.

 
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Old 01-29-2008, 09:40 PM   #6
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yeah, been using iodophor for the full 12 years of brewing. I was planning on switching anyway when I finish the big bottle I have now, but that will probably be pretty late this year. Along with learning about starsan here, I also learned that you don't have to completely fill every vessel you sanitize, so now my stuff lasts much longer.
Is that a higher concentration than normal?
Good find.
I just read the older thread. If there isn't already, there should be a link to it and this one on the "What Sanitizer" sticky.


 
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Old 01-29-2008, 10:11 PM   #7
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Yes, very high concentration to remove the ink that fast. 1oz in 5gal is recommended for sanitizing. I used 2oz in 2gal.

For what it's worth... Another thing I tested based on what I read here was the taste of leftover iodophor and starsan. The iodophor left its smell inside my carboys, but I obviously don't know what effect this might have, if any, on a brew since I'm so new - I just wanted to taste and see. The taste of the iodophor was dry and maybe a tiny bit bitter. The starsan left no smell, the water had a tiny hint of sweet and bitter, and the bubbles/foam have no taste or smell at all. Comparisons were made with the recommended mixtures on the bottles. I'd consider myself a starsan guy, all the way.

 
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Old 01-29-2008, 10:19 PM   #8
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wow, thats awesome.. always wanted a cool way to use those redstripe bottles.

 
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Old 01-29-2008, 11:11 PM   #9
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I gotta wonder if it is the pH or a specific solvent quality? If it's just pH/ acid strength, could we do it with a 30 sec. dip in Muriatic acid? A google search turned up a post on realbeer but the poster did not state any timeframe.

 
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Old 01-29-2008, 11:45 PM   #10
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Check this out... it has now been ~6 hours or so... and now the Coronas are NOT coming off as easily. The white comes off with some scrubbing, but the blue is a PITA.

Someone help me figure that out.

 
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