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Old 10-07-2014, 09:40 PM   #1
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Default Will I smell/taste cola in my beer from keg?

I bought some used kegs and thought I had them cleaned and odor free. I racked a beer into one of them tonight and realized once it was to late that you could smell some cola odor in them.

What are the chances this will carry through to the beer?

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Old 10-07-2014, 10:03 PM   #2
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Probably won't be noticeable. I'd give the others a good oxyclean and replace the rings if you didn't already.


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Old 10-07-2014, 10:09 PM   #3
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After you clean your kegs, smell them. If there is a strong smell of soda, it very well might end up in your beer. Root beer, especially, is tenacious. I'm not sure of the solution for removing this.

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Old 10-07-2014, 10:10 PM   #4
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Originally Posted by passedpawn View Post
After you clean your kegs, smell them. If there is a strong smell of soda, it very well might end up in your beer. Root beer, especially, is tenacious. I'm not sure of the solution for removing this.
That's the weird part, I smelled them after I cleaned them and they smelled fine.
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Old 10-07-2014, 10:13 PM   #5
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That's the weird part, I smelled them after I cleaned them and they smelled fine.
I have 10 kegs that I've had in continuous circulation for at least 2 years. I just made a bunch of octoberfest and for whatever reason, I got a strong smell of sprite or something similar in one of the kegs. I put the beer in it and I do think it has that flavor as well.

I don't have any answers, just throwing that out there as another data point.
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Old 10-07-2014, 10:21 PM   #6
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Once you've kicked this keg make sure to replace all of the o-rings. Give the keg a good PBW soak for a few days then rinse it out and you should be fine.

The cola flavor might carry over but it's going to really depend on whether or not the flavors in the beer are strong enough to mask it. I wouldn't worry too much about it as you've already got it kegged anyway.

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Old 10-08-2014, 12:30 AM   #7
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The stainless can be cleaned without odor, the rubber seals cannot.


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Old 10-08-2014, 10:30 AM   #8
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I always soak my new to me kegs completely full of bleach water for a couple of days when I get them and have never had a recurring odor. Mix is: fill keg full of water, press poppet to allow pickup tube to fill. Add 2 table spoons of household bleach and replace lid. Shake vigorously. Lay keg on its side with pickup tube on the lower side and press poppet to allow bleach water to fill tube. If you open air side to break vacuum.
Shake vigorously a couple of times a day for a few days. Let soak for a couple of days then drain and clean as usual. I usually hook to co2 and force water out pickup tube.

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Old 10-08-2014, 04:21 PM   #9
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Word on the street is: You should use NO bleach, with stainless steel.

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Old 10-08-2014, 07:19 PM   #10
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Word on the street is: You should use NO bleach, with stainless steel.
I put bleach in a cornie once and after a few days the end of the dip tube had corroded like swiss cheese, full of holes. Yea, don't use bleach unless you are going to rinse it off right away.

If I had a bad infection, or kegged another sour beer, I'd use it again.

For normal cleaning, I just go with my buddy Starsan.
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