Bottled first batch today. This stuff was floating on top when I opened the fermenter

computermonkey · Oct 10, 2011

Hey guys,

It's a Nut Brown Ale that has been fermenting in the primary for 3 weeks. I took a sample to check the final gravity and it tasted ok. Didn't taste amazing (I wouldn't expect it to straight out of the fermenter), but it didn't taste bad either. I don't think it's infected but am curious as to what this stuff is floating on top.

http://i.imgur.com/55568.jpg
http://i.imgur.com/FFY6X.jpg

imrook · Oct 10, 2011

I don't know exactly what it is, but I sometimes have foamy stuff floating on top of my beer in the secondary. Hasn't ever had a negative effect, so I'm sure it's not an infection. I'm sure someone else here knows exactly what it is.

Revvy · Oct 10, 2011

It's called yeast rafts. It's just that, yeast floating on the surface of the beer. Out beer is rarely perfectly clear. It's fine.

djfriesen · Oct 10, 2011

Looks like hops residue and/or yeast rafts to me. But I'm by no means experienced.

computermonkey · Oct 10, 2011

Interesting. I've never come across the term "yeast rafts" before. Thanks for looking!

Buttnsty · Apr 15, 2012

I just bottled a batch that looked very similar to this. Good luck to both of us!

flipfloptan · Apr 15, 2012

No issues there. Congrats you have made beer. Enjoy the tasting.

Revvy · Apr 15, 2012

They float up to the surface from the trub buoyed up by rising co2. The top of our beer is rarely perfectly clear.

Malticulous · Apr 15, 2012

There might be a start to a acetobacter colony here.

It's nothing worry about if it is. They can grow into this.

petey_c · Apr 15, 2012

Those two bubbles at about 3:00 look like eyes. Kinda creepy....

Bottled first batch today. This stuff was floating on top when I opened the fermenter

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Bottled first batch today. This stuff was floating on top when I opened the fermenter

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