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Old 09-22-2011, 09:42 PM   #1
Unibrow
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Default WTF are these bubbles!? Pics included

This was a BB Summer Ale extract kit.

I racked 3/4 gallon of watermelon juice in the primary carboy after 7 days of fermentation. I sanitized my knives, cutting board, outside of the watermelons, etc...I even sprayed some diluted star san in the WM juice before racking to the carboy. Second round of fermentation kicked in fast and furious. Everything was going fine, then 10 days later I see these weird bubbles. WTF is going on? I pulled a SG sample (it's 1.010 now after 2.5 weeks in primary) and tastes fine, possibly a little sour but that might be my imagination from the bubbles.

Anybody seen this before? Should I bottle quickly or see what happens?



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Old 09-22-2011, 09:58 PM   #2
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may or may not be early lacto.. honestly, don't get too worried, and dump it. Let it ride and see how it goes.

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Old 09-22-2011, 11:05 PM   #3
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Yeah, looks like an unintended infection. Either way you added watermelon to it, so i bet a little sourness wouldnt hurt!

I follow sound sanitation practices, but I'm really looking forward to my first infection just to experience it (only 6 batches in). It's definitely not the end of your beer!

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Old 09-22-2011, 11:10 PM   #4
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how did you juice the watermelon? i like that idea.

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Old 09-22-2011, 11:17 PM   #5
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First, spraying diluted star san into the juice will not do anything. Second, I don't think those bubbles look irregular. How long has the gravity been at 1.010? If the gravity is stable, you are fine.

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Old 09-22-2011, 11:36 PM   #6
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Did the temp change recently? I've gotten those bubbles before and had no issue with the batch. I assumed it was just co2 coming out of solution

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Old 09-23-2011, 12:05 AM   #7
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I have had bubbles like that and after a few more weeks of conditioning they went away and the beer was great.... 1 time they got worse and bigger... give it a few weeks and if there is a infection you will know it.

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Old 09-23-2011, 12:51 AM   #8
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Looks like an unintentional infection to me. If it is, I'd let that bad boy sit in carboy for a while. Let the bugs take hold and finish as much as they're able. Then prime and bottle and keg.

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Old 09-23-2011, 01:01 AM   #9
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Quote:
Originally Posted by Hugh_Jass View Post
Then prime and bottle and keg.
i would never put bottles in my kegs. sounds like a mess.
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Old 09-23-2011, 01:04 AM   #10
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Quote:
Originally Posted by motobrewer View Post
i would never put bottles in my kegs. sounds like a mess.
Then you're doing it wrong.
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