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Old 06-15-2014, 11:48 PM   #11
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Thanks Dudius! I've done a thorough cleaning with Oxyclean, will test my StarSan and start a new batch this week.

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Old 06-16-2014, 01:04 AM   #12
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With it moving into summer and the humidity moving up make sure it's not where you are fermenting, last year I lost a lot of beer do to an infection that was growing in my basement, the comforting part was it was not my process but where I was pitching and fermenting, I now ferment in another place. Good luck with your next batch.

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Old 06-16-2014, 03:16 PM   #13
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If it tastes like vinegar, it's probably infected. Those pictures look more "wet" than the infections I've seen before though. Keep us posted on the outcome.

When gravity changes like you say it does, it's usually when a homebrewer checks it without mixing well enough right after brewing. Not so in this case AFTER fermentation when it's mixed itself up well. It could also be a variation in temperature. There is a chart that comes with the hydrometer that will help you adjust for temperature. i doubt that's the case in this case though. I doubt the temperature was different enough to account for the difference in gravity.

Note that an infection will NOT RAISE a gravity. They will only lower it as the bacteria will consume more sugars than most yeast. Infections will often lower a gravit down to almost 1.000 or maybe lower. I guess the odd measurement is just an anomaly or something.

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Old 06-16-2014, 03:43 PM   #14
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Originally Posted by brewer_in_the_cap View Post
Thanks Dudius! I've done a thorough cleaning with Oxyclean, will test my StarSan and start a new batch this week.
While oxyclean is good for removing debris, it doesn't kill bacteria. Plastic is porous, I strongly suggest using bleach to disinfect your plastic fermenter. A good soak followed by thorough rinsing should help keep from infecting another batch.
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Old 06-16-2014, 03:50 PM   #15
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Dont dump it! bottle age it and see how it tastes after a month or two. You already put time and money into it, give it some time and see!

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Old 06-16-2014, 06:16 PM   #16
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Dont dump it! bottle age it and see how it tastes after a month or two. You already put time and money into it, give it some time and see!
Agreed. I've been mistaken about bad beer a couple of times. I've also had some pretty good beer turn worse a few times as well. There is nothing to be lost here by waiting a few weeks and trying it again.
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Old 06-17-2014, 05:19 PM   #17
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Originally Posted by Transamguy77 View Post
With it moving into summer and the humidity moving up make sure it's not where you are fermenting, last year I lost a lot of beer do to an infection that was growing in my basement, the comforting part was it was not my process but where I was pitching and fermenting, I now ferment in another place. Good luck with your next batch.
We did have a bit of humidity and temp fluctuation here during the last week of fermentation. I have everything in the basement so the temp was pretty good (68-72) but it got very damp so I had the dehumidifier going for a few days to clear it up.

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If it tastes like vinegar, it's probably infected. Those pictures look more "wet" than the infections I've seen before though. Keep us posted on the outcome.

Note that an infection will NOT RAISE a gravity. They will only lower it as the bacteria will consume more sugars than most yeast. Infections will often lower a gravit down to almost 1.000 or maybe lower. I guess the odd measurement is just an anomaly or something.
I did quite a bit of googling and looked at quite a few pages on the infected brew thread here and couldn't find anything similar. One of the reasons I decided to bottle was that the gravity was still good!

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Agreed. I've been mistaken about bad beer a couple of times. I've also had some pretty good beer turn worse a few times as well. There is nothing to be lost here by waiting a few weeks and trying it again.
This was shaping up to be good beer when I sampled it after the gravity readings. I'm hoping it turns out and will keep you all posted when I try it.
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Old 06-17-2014, 05:35 PM   #18
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If you can report that, then I'm fairly certain it's fine. Infected flavors don't just disappear.

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