Should I worry about this smell?

I have stout fermenting and it has been in my carboy for a little over a week. Yesterday I opened the carboy to make a small intial addition of coffee beans and cacao nibs. Well when I opened it and smelled the brew, I got a strange almost plastic or rubber smell coming up from it.

Is this due to how young it is?

Should I worry about it?

I did everything down to the last detail so I cannot imagine it is contaminated. I hope the smell goes away.

Topic carboy stout fermentation homebrew

Category Mac

1
answered at

At the 1 week stage: do not worry.

If it's still there in a few weeks, sure, worry then.

All sorts of weird flavours come off yeast when it's actively fermenting. For example lager yeasts can just smell plain rotten (eggs, sulphur, ick!), but afterwards you get beautiful clean beer.

Forget about it for a week (or even 2), and start planning your next beer to keep your mind occupied!

1
answered at

I would worry about that smell. Several of my local home brewers have made plastic flavored beer, it doesn't go away, just gets stronger. When it happened to me, the beer went away, and the fermenter too.

1
answered at

What kind of water do you brew with? Chlorinated tap water can cause a rubber-like (Chlorophenol) taste or smell. If you pass tap water through a chlorine-removing filter, it might be time for a filter change.

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