Question on Yeast

Feb 16, 2004 1 Replies

On a recent batch of German Altbier I pitched a fresh Wyeast XL 1007 smackpack that was properly swelled up. After 24 hours in the primary at



72º F the airlock was only bubbling once or twice per minute. So I prepared a batch of Danstar Nottingham dry yeast and pitched it into the wort. 2 hours later the fermentation was strong and after 5 days I transferred to the secondary. The OG was 1.48 and the final was 1.11. It is bottled now and condtioning. I've sample after the first week and the beer tastes better than previous batches using Wyeast alone. I would like to propagate the yeast from a bottle to see if I can "clone" this taste.

My question is: Will the yeast be a combination of both varieties or will it be predominately one or the other?



Thanks, Alan


It will be predominatly one. By your info, everything points that the second strain is the dominant.

Another trial with that second strain alone will, probably, show that the final flavor is due to the second strain, but...

..but it can happen that the wyeast strain have produced or released aromas or precursors that the second strain is not capable of processing by its own, and in that way wyeast strain could have been essential to the global quality of the batch. => less probable (but not at all impossible)

A new trial is the way... Good luck,

Francisco

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