Guidance needed concerning yeast

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hooligan8403

Meat Mopper
Original poster
Oct 25, 2011
248
11
Montgomery Al
Ok I brewed a belgian white ale about two weeks ago when the weather was warmer and pitched the yeast at about 70 and the first two days of fermentation looked good. Then the weather changed. Nothing but cold and rain for the last two weeks. Well I wrapped my fermentor in some blnakets thinking this might keep the brew warm enough but I dont think it did. Temp on the ale pail was sitting between 58 and 60 probbly this whole time. Since I hadnt seen any fermentation in the air lock I went to take a sample reading and it was still pretty high wih not much fermentation having occured and there was what Im assuming was yeast colonies on the top. Are my yeast dead or should me heating the fermentor up reactivate the yeast?
 
Hi Hooligan,

I can't answer your question but know someone who can.  My son is in school to become a brew master and has done extensive studies on yeasts.  I will forward your question to him and reply when he does.

Sound good?

Bill
 
You need to bring the temp up to around 70. Rouse up the yeast by stirring the beer a little. Not vigorously. You don't want to oxidize it. It should be fine. I would rack it to a secondary also. This gets it going again too. What yeast did you use? Some Belgian yeasts like a warmer fermentation.
 
Been a while since I've brewed but I think you'll be fine. You had initial fermentation which pushed the air off the brew, good thing, so it should just sit there till it warms up enuf naturally to start percolating again. Be patient and just watch it. Heating it could kill off the yeast...they are sensitive to that. As the weather warms up it should just start on its own and finish. I do remember if it was to warm while brewing an ale the brew could get skunky....so I think your temp range will be OK as soon as it starts again.
 
Safbrew t-58 was the yeast I used. Thnks for the help guys. Went ahead and got it up to 72 using an electric heater and gently roused it. Was hoping it was done as I have a porter waiting to be brewed. I need another primary.
 
Hooligan,

Here is my son's answer:

"Tell him to move it to a warmer area. The yeast on top is not a big deal it happens with all ales. When it warms up to about 65-70 it should be fine"

Bill
 
Hooligan,

Here is my son's answer:

"Tell him to move it to a warmer area. The yeast on top is not a big deal it happens with all ales. When it warms up to about 65-70 it should be fine"

Bill
Thanks PG. thats definatly good news. now hopefully this will be done soon or my brew shop gets more ale pails in so i can get a secondary fermentor.
 
Ok went to rack to a secondary and took a gravity reading just to see where I was at and it looks like Im good to go. Glad I didnt lose this batch.
 
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