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Old 02-25-2013, 01:00 PM   #1
tonyscha
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Default Chemical Taste in Blonde Ale

I only have a hand full of brews under my belt, but I small extract batch of BM Centennial Blonde Ale in my Mr. Beer LBK.

I modified the extract version for 2 gallons.
http://hopville.com/recipe/1675718

It fermented for 3 weeks at 64f. I was lazy and didnt check the FG. It was really clear before I bottled it. Bottled for 2 weeks, it seems mostly carbonated, but taste like cleaning chemicals. Now that I think back about it, I tried it a few times before I bottled it, and it has a very similar taste but I just figured it was the green/warm/un-carbonated taste.

I use dawn dish soap (1-2 small drops) to clean out the primary and use star-sans for all my sanitation needs.

Never had a beer taste like this yet, I will let it set for a couple more weeks before I try it again, I am guessing its just not ready, but wanted to make sure I didn't do anything wrong.


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Old 02-25-2013, 04:45 PM   #2
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I doubt the off flavor came from the dish soap but you really shouldn't ever use dish soap for cleaning anything brew-related. Detergents breakdown the proteins responsible for things like head retention and body. Even a few small drops can have a negative impact. StarSan has always been sufficient for me.

Anyways... Your off flavor is most likely related to yeast stress. 64f doesn't sound too hot so maybe a case of under pitching? Give your beer another couple of weeks though and see if the flavor doesn't go away. Be patient.


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Old 02-25-2013, 04:52 PM   #3
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Quote:
Originally Posted by PhelanKA7 View Post
I doubt the off flavor came from the dish soap but you really shouldn't ever use dish soap for cleaning anything brew-related. Detergents breakdown the proteins responsible for things like head retention and body. Even a few small drops can have a negative impact. StarSan has always been sufficient for me.

Anyways... Your off flavor is most likely related to yeast stress. 64f doesn't sound too hot so maybe a case of under pitching? Give your beer another couple of weeks though and see if the flavor doesn't go away. Be patient.
It could have been under pitched, I used US-05, it was half a pack left over from a previous brew, I never measured so I may have used to much the first brew.
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Old 02-25-2013, 05:04 PM   #4
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Quote:
Originally Posted by tonyscha View Post
It could have been under pitched, I used US-05, it was half a pack left over from a previous brew, I never measured so I may have used to much the first brew.
Hmm, could be. The packets are good for 5 gallons but I would still use a whole packet even if you're doing a 2 gallon batch, just to be safe.
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Old 02-25-2013, 06:16 PM   #5
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Did you perhaps carbonate the bottles in too cold of a room?

I recently did that and the bottles had a slight alcohol finish, I moved the bottles to a warmer room for 2 weeks and now that taste is gone and they taste great.
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Old 02-25-2013, 06:28 PM   #6
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Here's a good document to refer to for diagnosing issues with off flavors:
http://www.kroc.org/Links/TroubleshootingGuide.htm
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Old 02-25-2013, 06:39 PM   #7
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Palmer's book says soapy flavors can result from being in the primary too long after fermentation is complete where a soap is created by fatty acids in the trub breaking down.

Although in your case it doesn't sound like you were in the primary for very long at all, unless for some reason your primary completed very quickly.
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Old 02-25-2013, 06:46 PM   #8
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Does it taste like soap or cleaning chemicals i.e. like a plastic, band-aid flavor? To me soap and chemicals have two different tastes.
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Old 02-25-2013, 10:01 PM   #9
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I think despite what it could be the best solution is to wait longer than two weeks in the bottle before evaluating the beer...
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Old 02-26-2013, 12:48 AM   #10
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Quote:
Originally Posted by kwingert View Post
Does it taste like soap or cleaning chemicals i.e. like a plastic, band-aid flavor? To me soap and chemicals have two different tastes.
It taste like a cleaning chemical, like lemon pine-sol. I have read a few post about a band-aid flavor, but I dont think its that. Anyway I am going to wait at least two weeks before I try again.


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