Possible infection?

[joeskidmore]

Hi All,

Quick question regarding a pilsner which is currently fermenting in my fridge at 14 degrees. In the last day or so a few white spots have started appearing on top of the krausen ([url=http://t.co/DOKrncAqmN]see pic[/url]).

Does this mean the brew is infected and if so, would it be possible to scoop everything from the top and re-pitch a fresh yeast?

Cheers,
- Joe

[joeskidmore]

I have undertaken a bit of research on this topic and seems it has been discussed across many other forums - without a very definitive identification method.

From what I can find out I'm either looking at 'yeast rafts' or 'protein clumps' as referenced here: http://byo.com/porter/item/2511-mystery ... -mr-wizard

Or it could be Brettanomyces pellicle, however, looking at some images I'm not so sure this is the case (http://www.brettanomycesproject.com/gal ... le-photos/)

[teambpl]

How's it smell? A possible infection will reveal itself sooner rather than later,

good luck!