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Old 06-08-2009, 01:08 PM   #1
blowmax10
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This is the second time I've had this problem with my kegged beer

could it be oxidation?

I'm doing extract in a stainless steal brewpot
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Old 06-08-2009, 01:23 PM   #2
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I used to have this problem with almost every batch I brewed.

I had been using liquid extract in every batch. I switched to Northern Brewer's liquid extract (packaged in plastic jugs) and no more problem. Brewed again after that with liquid extract in a can and the problem returned. Switched to DME and the problem went away again.

 
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Old 06-08-2009, 02:09 PM   #3
blowmax10
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mostly I use DME but when I do use LME it is from Northern brewer in the milk jug

so that's not it
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Old 06-08-2009, 02:12 PM   #4
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Fermenting your wort in the floorpan of a rusted out Datsun doesn't help.
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Old 06-08-2009, 02:19 PM   #5
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Scrubbing your brewpot too hard will do it too. I was scrubbing my brewpot w/ a rough sponge before my first two brews and got a heavy metallic taste in them. After that I just used the soft side of the sponge and haven't had it since. (also helps to clean after brewing not before the next time 2 weeks later)
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Old 06-08-2009, 02:42 PM   #6
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Your water chemistry can cause it. Unfortunately that is the extent of my knowledge. I forget what chemical causes it, and I couldn't tell you what a high portion of that would be. I am pretty sure it is in how to brew though.

 
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Old 06-08-2009, 02:55 PM   #7
blowmax10
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this is still a little help - I suspected for some time that I shouldn't be using my tap water for brew and good tip about not scrubbing to hard

the first time it happened I thought it was my SS brew spoon so I switched to a plastic one, had several batches that were ok and then the one popped up
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Old 06-08-2009, 03:19 PM   #8
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IMO, it is unlikely to get a metallic taste from a pot, or piece of equipment. Maybe for just one batch go to the store and get some spring water and see if it makes a difference. If it does, you can research it more and see if there is a way to filter your tap water or something to get that taste out.

 
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Old 06-08-2009, 03:52 PM   #9
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Quote:
Originally Posted by cubbies View Post
IMO, it is unlikely to get a metallic taste from a pot, or piece of equipment. Maybe for just one batch go to the store and get some spring water and see if it makes a difference. If it does, you can research it more and see if there is a way to filter your tap water or something to get that taste out.
1: I did start using distilled water, it just hasn't come through the pipeline yet
2: I was using a Brita filter on my tap

So I think I have that covered, I do get what you are saying about not getting it from the equipment but the scratches at the bottom of my kegs make me feel uneasy

I really think this will end up being either a PH problem or a oxidization problem
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Old 06-08-2009, 04:52 PM   #10
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I would be surprised if stainless equipment would cause it, scratched or not.

 
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