Yeast addition

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Lagrluvr

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Hi everyone, yesterday I did my first all grain - a Founders Breakfast clone. When I went to pitch my yeast, WLP001 , I lost about 1/2 a vial to it exploding like a shaken beer can on open. I do have a small bit of krausen in the fermenter this afternoon but the is not a whole lot of airlock activity. My question is is the amt of yeast used enough for a 5 gallon batch to get full fermentation to FG or should I add some from a starter in the next day or two to give it an extra push?
 
flars said:
What was the original gravity of your beer?

1.090 at 75 degrees, so calculated at 1.092 after 60 degree calibration adjustment. A little high from the 1.073 recipe stated but not horribly awry.
 
With an OG of 1.092 you would need 3 vials of yeast. Even at 1.073, 2.6 vials of yeast would be optimum. A starter will be needed.
http://www.yeastcalc.com/indexupdate.html
http://www.mrmalty.com/yeast-tools.php
I usually rely on Yeast Calc to build starters. I find it easier to use. 1.092 for an OG, if you followed the recipe exactly, seems like an inordinately high all grain efficiency. could recheck your hydrometer reading. Keep everything sanitized. Drink your sample. To put it back inthe fermenter is a high infection risk.
 
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