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Home Brew Forums > Home Brewing Beer > All Grain & Partial Mash Brewing > Strange flavor/smell
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Old 07-30-2012, 12:42 AM   #1
DocScott
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Default Strange flavor/smell

I just bottled a blue moon clone that smelled and tasted kind of like formaldehyde. I had slow initial fermentation so I warmed it up then forgot about it. Fermented at around 73-75 for 2-3 weeks with WLP001. I'm pretty sure the off flavor/smell is either from too hot fermentation or infection. Will this off flavor/smell go away with bottle conditioning or do I need to dump this batch? Anything else that causes this smell?

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Old 07-30-2012, 12:46 AM   #2
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I just bottled a blue moon clone that smelled and tasted kind of like formaldehyde. I had slow initial fermentation so I warmed it up then forgot about it. Fermented at around 73-75 for 2-3 weeks with WLP001. I'm pretty sure the off flavor/smell is either from too hot fermentation or infection. Will this off flavor/smell go away with bottle conditioning or do I need to dump this batch? Anything else that causes this smell?
It could very well be "phenols" from the stressed yeast. If it started slow, it may have been underpitched to begin with and then warming it up would really encourage those off-flavors. It's never gotten better in my experience (in fact, worse), but it's worth aging to see just in case!
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