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-   -   Strange fermentation. (http://www.homebrewtalk.com/f163/strange-fermentation-271917/)

mattymatumbo 09-30-2011 09:21 PM

Strange fermentation.
I've searched the threads (and google for that matter) about my problem, but no luck. My Stout has been in the secondary fermenter for 5 days, and is a total of 10 days old. What is strange is that when I checked the gravity, it read normal. OG: 1.44 Current gravity: 1.10, which my recipe says is straight on. When I tasted the beer, it was sweet, like green apples, which I've read means it's too young. It only bubbled for about 4 days before the yeast slowed down to almost nothing. Anyone know what is going on/should I repitch my yeast?

This is only my second brew.

mbird 09-30-2011 09:47 PM

if you're saying the o.g. was 1.044 and ended at 1.010 then your attenuation is 77% which is fine. The green apple is typically a flavor component related to a yeast by-product called acetaldehyde. There is no reason to add more yeast as the beer has been fermented. You may need to just give the beer some aging time to clean up some of the off flavors and mature a bit. Young beers tend to have a 'green' or 'green apple' quality to them that can be remedied with a little patience. Good luck

BigB 09-30-2011 09:47 PM

I'm sorry, but it sounds perfectly normal to me. If your current gravity is 1.010, it sounds like it is done, or just about done- you certainly do NOT need more yeast... they have done their job! Leave it alone for a couple more weeks to allow the yeast to clean up after themselves. I don't see anything out of the ordinary in your post.

mattymatumbo 09-30-2011 09:51 PM

So, just be patient? I'll rest it, currently at a stable 67-70 degrees F, I'll post back in a few weeks to let you know how it goes! So stoked for this.

Thanks guys!

BigB 09-30-2011 09:52 PM


Originally Posted by mattymatumbo (Post 3345296)
So, just be patient?

Yep, Good luck!:mug:

mattymatumbo 09-30-2011 09:54 PM

Thank you!

mattymatumbo 10-01-2011 05:16 PM

Okay, it's bubbling today... what does that mean?

Revvy 10-01-2011 05:26 PM


Originally Posted by mattymatumbo (Post 3347220)
Okay, it's bubbling today... what does that mean?

That the temperature of your place chagned, or the barometric pressure, or that the cat or the vacuum cleaner bumped against it. In other words, nothing....

Airlock bubbling, only means the airlock is bubbling, nothing more.

mattymatumbo 10-01-2011 05:27 PM

Right on right on, it was probably a cat, we just got 2 in the house.

Ryush806 10-01-2011 05:37 PM

Or the moon and the sun lined up for an extra gravitational tug :D

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