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Old 05-13-2008, 09:20 PM   #1
cdanprice
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Default Lager Bottling: Pitch New Yeast?

I'm bottling my first lager tomorrow. It fermented over 3 weeks and has lagered for another 3 in secondary and plan to naturally carbonate. Should I pitch new yeast prior to bottling, or is there enough still there to carbonate?
Also, what temp should I allow for carbonation?

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Old 05-13-2008, 09:31 PM   #2
IowaStateFan
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No need for more yeast. I had a lager sit for 4 months in the secondary and it carbed up fine. I experimented by adding yeast to 1/2 the batch during bottling. The portion that I added yeast to did carb a bit faster - 3 weeks vs. 5 - but it also had significantly more sediment.

Bottle condition at about 70 for 3 to 4 weeks until they are carbed. After that you can chill to serving temp.

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Old 05-13-2008, 10:43 PM   #3
menschmaschine
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Quote:
Originally Posted by IowaStateFan View Post
Bottle condition at about 70 for 3 to 4 weeks until they are carbed.
Only if using dextrose
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Old 05-14-2008, 12:17 AM   #4
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Quote:
Originally Posted by menschmaschine View Post
Only if using dextrose
Why only dextrose?
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Old 05-14-2008, 02:06 AM   #5
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Quote:
Originally Posted by Jack View Post
Why only dextrose?
Well, at least not a malt-based sugar (DME, saved wort, etc.). Lager yeasts can produce fruity off-flavors during fermentation (or carbonation) if done at too warm temps (compared to the optimum range for primary fermentation). So, say you wanted to brew a lager per the Reinheitsgebot. You could use saved wort for carbonation, but you'd have to carb at primary fermentation temps to avoid potential fruitiness, e.g., 50dF. Lager yeasts ferment dextrose clean at room temp. So, it's OK to carb lagers at room temp if you're using dextrose.
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