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Old 09-24-2012, 12:00 PM   #1
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Default moldy beer

i had some beer in the secondary and i looked at it and it had mold on the top of it. Can I bottle it or just throw it out??? What would cause this??? First time I had this happen.


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Old 09-24-2012, 01:00 PM   #2
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What kind of secondary? If there wasn't a tight seal it could have gotten in that way. If you didn't sanitize everything...etc.

I was wondering if it would be possible to throw the infected beer back into the pot, and pasteurize for 20 min or so. I realize this might mess up your late hop additions, but maybe just re-hop?

Hopefully someone more experienced could answer this.


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Old 09-24-2012, 01:01 PM   #3
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are you 100% sure it is mold ( any pics you can post?)
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Old 09-24-2012, 05:24 PM   #4
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First off, howdy from a Winthrop alum! I miss Rock Hill some days. Most days I don't

Second, definitely post a pic. Krausen and yeast rafts come in many different forms, you could just be seeing some krausen that didn't fall or some funky yeast rafts. Even if you have mold, it likely won't even infect your beer. Just rack under it when you keg/bottle, and you'll be fine.

Good luck!
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Old 09-25-2012, 09:51 AM   #5
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i always santized everything. it was is in a carboy. i think it was just yeast on top. i bottled everything. will check it in a couple weeks.
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Old 09-25-2012, 12:18 PM   #6
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Did you taste the hydro sample?
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Old 09-25-2012, 05:51 PM   #7
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Odds are excellent that it was yeast rafts or floating krausen. That being said, mold won't hurt the bottled beer. Just rack from underneath it and enjoy.
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Old 09-27-2012, 04:52 AM   #8
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I tasted the beer and it taste like grapefruit juice????
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Old 09-27-2012, 11:54 AM   #9
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Maybe acetaldehyde from being green?
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Old 09-27-2012, 11:55 AM   #10
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I just read (and replied!) to another thread referring to a grapefruit flavor. It is probably from the hops. As I said in that thread, if you have access to beers from Founder's (brewed in southern Michigan), get yourself a Red RyePA. Great grapefruit flavors and one of my favorite beers.


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