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Old 07-08-2012, 07:28 PM   #1
May 2011
Gilbert, AZ
Posts: 7

I have strange bubbles floating on top of my beer. Bottled 7-3-12 never had this problem before. Used Muntons primium gold dry yeast for the first time and had a OG of 1.050 and FG of 1.003. I also never had FG that low before. It tasted great @ bottling it would really hurt to loose this one. Please help.

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Old 07-08-2012, 09:21 PM   #2
Aug 2008
, New York
Posts: 1,567
Liked 134 Times on 83 Posts

Two things. First you definitely have an infection there. It looks a lot like lacto, though it could easily be something else. I dump infected beer, but some people swear they'll get "better" with age. Up to you on that one. Also, your fill level on those bottles looks very low. Try and get about 1 inch of space between the cap and the beer, as you should get a more stable carbonation in the bottles.

Never tried Muntons dried yeast before, though I've heard horror stories about it. Maybe next time try using one of the safale or fermentis dry yeasts (S-04, S-05, Nottingham) if you haven't done so.

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Old 07-09-2012, 12:17 AM   #3
Aug 2010
McLean/Ogden, Virginia/Quebec
Posts: 9,413
Liked 1556 Times on 1184 Posts

Can't really make out much from the pictures. Are the bubbles furry? Looks as if they might be. If they are this would mean infection by mold spores.

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Old 07-09-2012, 08:28 PM   #4
Dec 2011
ireland, ireland
Posts: 145
Liked 5 Times on 5 Posts

interesting. i never seen that before
"maybe this beer needs some of the burn that whiskey brings" Doctor from HBT

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Old 07-09-2012, 08:54 PM   #5
Mar 2010
Posts: 110
Liked 5 Times on 4 Posts

I would put them somewhere safe so if they blow it contains the mess. Like a big cooler. But it looks like an infection. One of the photos looks to show lines like fury spikes coming off the bubble. It could turn into a sour drinkable but I'm to much of a wuss to drink something like that. Maybe a sour beer person could tell you. If it's mold I'd dump it and clean the heck out of those bottles with mild bleach solution if you're going to keep them for reuse.

You may want to open one and post the bubbles without the bottle in the way.

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Old 07-12-2012, 05:37 PM   #6
May 2011
Gilbert, AZ
Posts: 7

Thx to everyone. I took some down to the local brew store, and we sampled one. No off smellls or taste. The bubbles in the bottles have faded alot, and the taste is great.

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Old 07-21-2012, 09:23 PM   #7
Jan 2012
Pella, IA
Posts: 702
Liked 25 Times on 25 Posts

probably just mold spores then, fungus isnt a big problem so yea you should be fine.

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