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Old 07-21-2009, 03:04 AM   #1
mattrennert's Avatar
Jul 2009
Madison, WI
Posts: 53
Liked 2 Times on 2 Posts

Is this dark stuff the hops that came up with the yeast? or someting else? It smells like bananas. It has a brownish/green color.

Its an Amber Ale extract recipe with Wyeast Activator #1028.
It has been fermenting for about 48 hours, first 12 hrs at 75deg and the rest of the time 67deg.

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Old 07-21-2009, 03:08 AM   #2

Yes, your beer is fine.
He who drinks beer sleeps well. He who sleeps well cannot sin. He who does not sin goes to heaven.

Another HERMS rig...

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Old 07-21-2009, 03:08 AM   #3
I love making Beer
Nurmey's Avatar
Jul 2007
Omaha, NE
Posts: 3,983
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Normal. Krausen often looks weird and ugly while it's going on but after it's over you have beer!

Welcome to HBT!
Batch 1 Brewing
The American Revolution would never have happened with gun control.

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Old 07-21-2009, 03:09 AM   #4
davesrose's Avatar
Mar 2008
Atlanta, GA
Posts: 967
Liked 10 Times on 7 Posts

krausen can have dark particles pop up in the foam: it can be hop particles, proteins, and other residues. Completely normal.
On Tap: Barleywine, Coffee Oatmeal Imperial Stout (big big beer)
Conditioning:Baltic Porter
Fermenting: Double Simcoe IPA
On the Bench: Racer 5 IPA

"One of the first things early caveman did, when he crawled out of the mudd, was to make beer. And cavemen everywhere are still making beer...and drinking beer." - Jean Sheperd

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Old 07-21-2009, 04:40 AM   #5
Almaigan Brewing Co.
Shooter's Avatar
Dec 2008
Dublin (No, not that Dublin)
Posts: 4,562
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I think it's fine. This is one reason I ferment in a bucket, once that lid is sealed I can't see what's going on and that's just how I like it!!!

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Old 07-21-2009, 06:01 AM   #6
May 2009
Posts: 150

Originally Posted by Shooter View Post
I think it's fine. This is one reason I ferment in a bucket, once that lid is sealed I can't see what's going on and that's just how I like it!!!
Same here! I usually ferment in a bucket, but recently bought a 6 gal carboy so I could see what was going on inside. Boy was the a mistake!

I figure as long as I can maintain temperature I'll stick with using buckets for primaries. The benefit to glass this time of year is that it's a better conductor of heat/cold than plastic, so it maintains temp better in a bath of water.
Primary: North of the Border Vienna
Secondary: West Coast Blaster
Kegs: Common Room ESB, Belgian Wit
Bottles: Steinbart's Oatmeal Stout

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Old 07-21-2009, 12:48 PM   #7
Mar 2009
Holland, MI
Posts: 261
Liked 6 Times on 5 Posts

The banana scent is an indication that your fermentation temperature may have been a a bit high. Those are esters, given off by the yeast due to the elevated ferm temp. If you brought it down soon enough you probably wont have any residual flavor.

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