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Old 01-18-2013, 06:59 PM   #1
techprof
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Default Imperial Stout was PERFECT before bottling

This beer was bottled almost a week ago and before bottling I had sampled and aroma/flavor was what I was expecting. Last night to test the bottle carbonation, I popped one open and got a CO2 hiss and smoke. But the aroma was off, smelled like malted vinegar/sherry. The flavor was likewise.

I am thinking that it got infected with acetobactor, and the only thing that I changed for this bottling day was I had used re-used star san solution from last brew day, about 6 weeks ago to sanitize the bucket/siphon/bottling wand and caps. The bottles were sanitized in my dishwasher as usual.

The solution of recycled star-san was stored in a glass 1gal jug with a tight cap and was cloudy.

Any thoughts if this beer can ride it out be drinkable or should I dump and clean/sanitize the hell out of the bottles/bucket etc.?

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Old 01-18-2013, 07:02 PM   #2
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Sounds like you got an acetobacter infection at least in that bottle....the other ones might still be good.

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Old 01-18-2013, 07:03 PM   #3
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If it's cloudy you shouldn't be re-using it.

If you want your star san to keep longer, use RO or distilled water when you mix up the solution. For an even better solution, go to a dollar store and buy one or two of those plastic spray bottles and put the solution made from distilled/RO water in there. It will keep for months, and you end up using MUCH less star san by spraying it than you do filling up your containers.

For brew/bottling days I usually mix up about a gallon of star san solution for throwing various pieces of equipment in, or for siphoning through my transfer hoses before I do any transfers. A bottle of star san mixed up a gallon at a time lasts a very long time...no need to penny pinch when you could be dumping a $30+ batch of beer for not using it properly.

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Old 01-18-2013, 07:04 PM   #4
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I also tried a second bottle with same result. Forgot to mention that.

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Old 01-18-2013, 07:09 PM   #5
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Quote:
Originally Posted by weirdboy View Post
If it's cloudy you shouldn't be re-using it.
I think that is mostly a myth. The minerals in the water cause it to go cloudy if your using normal tap water. Mine goes cloudy almost instantly. If anything you should be checking pH.
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Old 01-18-2013, 07:11 PM   #6
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I do have very hard tap water, thanks for the RO tip. I take it the beer is pretty much ruined at this point.

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Old 01-18-2013, 07:12 PM   #7
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What should the ph of a star san solution be?

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Old 01-18-2013, 07:15 PM   #8
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<3.5

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Old 01-18-2013, 07:24 PM   #9
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I lost a case of really good oatmeal stout to the same type of infection. It took longer to really wind up than yours did (first case was fine, but after about 2 months, it started turning on me), but the end result was the same: tons of foam and a sherry smell. I suspect mine got infected in the bottling bucket. It took me much longer to transfer from the carboy to the bucket than usual, so I think the extra time in the bucket increased the opportunity for a stray cat hair to land in the beer. It sucks to lose great beer that far along in the process.

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Old 01-18-2013, 07:35 PM   #10
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So now you have malt vinegar for your fries. Not a total loss.

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