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Should I rouse my W-34/70 lager yeast?

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Larry Sayre, Developer of 'Mash Made Easy'
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Pitched at 9:30 pm yesterday. It's now 18 hours later I'm only seeing a bubble every 52 seconds, and the krausen is only about 1/8" thick. Temperature is 52 degrees. Does it seem that I'm having a problem here?
 
sounds normal. being a lager yeast, most of the activity is going on at the bottom. it started fermenting quickly, that's a good sign you pitched plenty of yeast.
 
Everytime i used that yeast it was a slow fermention but it is one of my favorite. It has such a wide temp range and is very clean.
 
I don't believe there's such a thing as "rousing" yeast. Seems a bit of anthropomorphization.

So, to answer the question, don't worry about it. If you pitch at lager temps, you might not see any activity for two or three days. I make lots of lagers and this is normal.

The panic chart:

panic_flowchart_2-51147.png
 
I'm at 12 bubbles per minute right now. 52 degrees F. It appears that all is well.

Thanks to all for the help and encouragement. Great flowchart.
 
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