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Brews & Views Bulletin Board Service * Brews and Views Archive 2003 * October 10, 2003 * Yeast slurry seems to stop working < Previous Next >

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bill vizzachero (208.59.96.180)
Posted on Sunday, September 21, 2003 - 03:06 am:   Edit Post Delete Post View Post/Check IP    Ban Poster IP (Moderator/Admin only)

After pitching a yeast slurry from a local microbrewery the wort began fermenting for about 2 days but appears to be slowing down. My original gravity was 1.056 at 5 gallons. There was nothing different about my brewing technique that should have caused this, since multiple batches fermented out (sometimes beyond the attentuated range).
When I received the slurry, I thought the beer on top was kind of sweet so I measured the gravity, reading at 1.022. The slurry was supposed to be white labs cal V but this slurry is behaving strangely. My gravity is about 1.035 and looks as though it is going to stop soon.
Should I pitch more yeast? If so, any recommendations?
thanks
 

Brandon Dachel (216.177.117.110)
Posted on Sunday, September 21, 2003 - 11:57 am:   Edit Post Delete Post View Post/Check IP    Ban Poster IP (Moderator/Admin only)

Did you aerate? The only time I used a yeast cake I thought I didn't need to aerate. The result was a slow ferment.
 

bill vizzachero (208.59.97.185)
Posted on Sunday, September 21, 2003 - 01:52 pm:   Edit Post Delete Post View Post/Check IP    Ban Poster IP (Moderator/Admin only)

I did aerate the wort and haven't had this problem before so I suspect the yeast. The gravity today is 1.025, after 3 days.
 

Jim Layton (67.202.29.236)
Posted on Sunday, September 21, 2003 - 02:02 pm:   Edit Post Delete Post View Post/Check IP    Ban Poster IP (Moderator/Admin only)

Patience. Give it a week or so and then see where it is.
 

Brandon Dachel (216.177.117.110)
Posted on Sunday, September 21, 2003 - 09:00 pm:   Edit Post Delete Post View Post/Check IP    Ban Poster IP (Moderator/Admin only)

> The gravity today is 1.025, after 3 days.

That's typical for me so I'd not be concerned.
 

bill vizzachero (208.59.100.25)
Posted on Monday, September 22, 2003 - 12:07 am:   Edit Post Delete Post View Post/Check IP    Ban Poster IP (Moderator/Admin only)

Brandon, I am concerned because the typical activity usually brings the wort into a very active stage for 3 to 4 days and slowly begings to subside. This beer began to slow down after 2 days. Also, the foam from the yeast usually makes it out the blow off hose, again this beer did not rise more than 1 inch above the beer level in the carboy. I do think waiting one week is reasonable but I wonder about a second dose of yeast if the beer finishes above 1.020.
Bill

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