Diacetyl

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far9410
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Diacetyl

Post by far9410 » Wed Jan 13, 2016 12:14 am

Hi, this has been asked before I know, brewing lager next week, using 34/70 yeast, thinking ferment at 13c for about 5 days, then raise to 20 c for 3 days, then rack to secondary at 13c for as long as it takes, what do you think? :)
no palate, no patience.


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Jim my

Re: Diacetyl

Post by Jim my » Wed Jan 13, 2016 3:14 am

far9410 wrote:Hi, this has been asked before I know, brewing lager next week, using 34/70 yeast, thinking ferment at 13c for about 5 days, then raise to 20 c for 3 days, then rack to secondary at 13c for as long as it takes, what do you think? :)
I've only brewed one lager (Bock) but I did the Diacetyl rest at the end of the fermentation. I left it in Primary for the duration of the ferment and had no problem with off flavours.

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far9410
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Re: Diacetyl

Post by far9410 » Wed Jan 13, 2016 8:02 am

Thanks
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AnthonyUK

Re: Diacetyl

Post by AnthonyUK » Wed Jan 13, 2016 9:01 am

The D rest should be done whilst the yeast is still active so between 50-75% attenuation. Your timings seen about right but you should work on attenuation rather than set timings as each yeast strain is obviously different.

london_lhr
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Re: Diacetyl

Post by london_lhr » Wed Jan 13, 2016 12:25 pm

then rack to secondary at 13c for as long as it takes
After the Diacetal rest, cool down to approx 2-5'C and lager at that temperature.
This is a very good read on lagering...........

http://brulosophy.com/methods/lager-method/

Barry.
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far9410
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Re: Diacetyl

Post by far9410 » Wed Jan 13, 2016 9:54 pm

Great info ta!
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