Home Brew Forums > Home Brewing Beer > Extract Brewing > Can LME go bad?
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Old 05-13-2011, 08:19 PM   #1
emit31
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Default Can LME go bad?

Hey everyone, I purchased an extract kit about three weeks ago, and the liquid malt extract has been sitting in my garage since ( just realized this yesterday). Just wondering if anyone has had any adverse effects from LME sitting for awhile, or being exposed to sunlight? Thanks in advance.


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Old 05-13-2011, 08:22 PM   #2
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It definitely can go bad. In three weeks, you should be alright especially if temps have stayed relatively low. Give it the look/smell test and go with it.

Next time keep it in the fridge until brewday.


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Old 05-13-2011, 09:36 PM   #3
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thanks, I know, stupid mistake.
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Old 05-16-2011, 01:13 AM   #4
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I've made good beer with 7 year old (opened) LME. It was supposed to be extra light, but was really dark.

I gave up brewing for 7 years, and when I started back I used some of my old 'stuff' just to get my hand back in.
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Old 05-16-2011, 01:28 AM   #5
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It might have some mold on top, but just scrape it off. The boil will kill anything you cant scrape off. I did the same thing, but left it in the pantry for 2mos. My oktoberfest turned out great.
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Old 05-16-2011, 02:52 PM   #6
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I wound up with a cooper's can/yeast from June '09. Made a pretty decent ale out of it. Close to the Salvator doppel bock some 6-7 weeks in the bottle. I think mine was smoother though. The cooper's is/was in a can,so that helps to some extent. But I started putting all the LME's in the fridge with the yeast. Hops in the freezer. Def better/fresher.
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Old 05-16-2011, 04:36 PM   #7
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hey thanks everyone for the replies, I brewed an IPA with the LME yesterday, it still looked fine and smelled normal, if it ends up destroying the brew I will let you know. I really think its fine though.
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Old 05-16-2011, 04:59 PM   #8
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It should be,ime. As long as it's container had a good seal,it should be just fine.
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Old 05-17-2011, 05:41 AM   #9
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Quote:
Originally Posted by Calder View Post
I've made good beer with 7 year old (opened) LME. It was supposed to be extra light, but was really dark.

I gave up brewing for 7 years, and when I started back I used some of my old 'stuff' just to get my hand back in.
I just finished brewing a "pale ale" with 4 year old LME. The wort did not come out
very pale, the LME was originally light but was quite dark out of the can. It tasted OK,
and I added 1 lb of DME (also 4 yrs old), so we'll see -- in the primary now!
At least I've used up all the old stuff now...
-batch
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Old (4 yrs) LME ale
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Old 05-17-2011, 07:53 AM   #10
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If it's not in a can, you should keep it in the refrigerator - if you're going to keep it more than about a month, you can pour a thin layer of vodka on top to prevent mold growth (it won't affect the taste of the beer).


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