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Old 09-01-2006, 02:03 PM   #1
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Default Why is it...(clear bottle/skunky beer question)

I've read on here that clear bottles + light can lead to a quickly skunked homebrew. Makes sense to me.

What I am wondering is, take a 40oz at a party store. It's in a glass bottle, it's lit at 7-11 24 hours a day, 7 days a week....why don't those go skunky? Is it because they are pasturized?

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Old 09-01-2006, 02:14 PM   #2
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A. How could you tell?
B. Why would you care?
C. Skunk is caused by the UV conversion of iso-alpha acids. The more hops the more skunk. Certain methods of extracting hop oils result in forms of the acids that are not subject to skunking. These are cheap & don't taste all that great, but used in very low concentrations, who cares?

When budgeting for homebrew equipment, buy the malt first!

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Old 09-01-2006, 02:21 PM   #3
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Quote:
Originally Posted by david_42
A. How could you tell?
B. Why would you care?
C. Skunk is caused by the UV conversion of iso-alpha acids. The more hops the more skunk. Certain methods of extracting hop oils result in forms of the acids that are not subject to skunking. These are cheap & don't taste all that great, but used in very low concentrations, who cares?

A) How could I tell if they are skunky or not? I went to college, I've had a 40oz or two in my day

B) I don't really care - just curious as to why this is. Seems to me if homebrew goes bad quickly in a clear bottle in light, a clear bottle at a party store with flourescent lighting would go quickly too. I was curious as to what the difference is that prevents this.

C) Makes sense then, thanks for the explanation Now I can sound edumacated.


I like good beer as much as the next guy, but I'm 25 years old and on a limited budget at times. There are the appropriate times for a good brew for me, and there are the "get forschnicity" times when I (and friends) just buy some 12's of Highlife longnecks for $6 and drink myself silly. I'm an equal opportunity drinker, depending on the drinking occasion/goal - both swill and soon-to-be good homebrew (I hope it's good!)
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Old 09-01-2006, 02:25 PM   #4
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Hey, when I was in college it was Bud 6-paks for 99 cents. I don't think the 40 oz. malts were even on the market then.

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Old 09-01-2006, 02:27 PM   #5
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i'd go as far as to say that those 40's ARE skunked. you're just used to the way they taste. plus, since they have very little hoppiness to them, the skunkiness is low.

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Old 09-01-2006, 02:42 PM   #6
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There are also additives that are used by the BMC companies to significantly inhibit the production of those skunk flavors.


Let us also consider this: often times palces that carry those 40 oz'ers sell through them fast. Skunk isn't instant.

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Old 09-01-2006, 02:47 PM   #7
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Hey, when I was in college it was Bud 6-paks for 99 cents. I don't think the 40 oz. malts were even on the market then.

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Old 09-01-2006, 02:54 PM   #8
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i use green and clear bottles as well as the dark ones... just keep them in the dark and you will not skunk them up...

Quote:
There are the appropriate times for a good brew for me, and there are the "get forschnicity" times when I (and friends) just buy some 12's of Highlife longnecks for $6 and drink myself silly. I'm an equal opportunity drinker, depending on the drinking occasion/goal - both swill and soon-to-be good homebrew (I hope it's good!)
huzzah! many underestimate the highlife baby... tis my stock swill of chioce...
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Old 09-01-2006, 03:12 PM   #9
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Quote:
Originally Posted by kornkob
Let us also consider this: often times palces that carry those 40 oz'ers sell through them fast. Skunk isn't instant.
it's not instant, but it only takes an hour or two of direct UV bombardment.

I doubt they are selling those 40's THAT fast.

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Old 09-01-2006, 10:09 PM   #10
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Quote:
Originally Posted by kornkob
There are also additives that are used by the BMC companies to significantly inhibit the production of those skunk flavors.
Better living through chemistry! if only I could have additives too! Just like the big guys!
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