M84 Bohemian Lager Yeast - diacetyl rest

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M84 Bohemian Lager Yeast - diacetyl rest

Unread postby grooves » Fri Apr 06, 2018 8:44 am

I've been fermenting a Czech Black Lager at 10c with two packs of Mangrove Jack's M84 Bohemian Lager Yeast. The plan was to bump up to 16c for a diaceyl rest towards the end of fermentation.

However, it took 5 days to show any change of OG, but then it took off and now it has shot past the expected FG of 1.012 to 1.009! The question is - is it too late for a diacetyl rest to be effective?
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Re: M84 Bohemian Lager Yeast - diacetyl rest

Unread postby gandalf the brew » Fri Apr 06, 2018 2:11 pm

I would say, better late than never. It should still clean up fine.
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Re: M84 Bohemian Lager Yeast - diacetyl rest

Unread postby mashy » Sat Apr 07, 2018 5:37 am

+1 it should still clean up.
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Re: M84 Bohemian Lager Yeast - diacetyl rest

Unread postby grooves » Sat Apr 07, 2018 12:09 pm

Ok good - I've bumped it up to 16c and will crash and keg next weekend.
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