National Homebrew Club Ireland

General Discussions => Chit Chat => Topic started by: Oh Crap on June 12, 2015, 01:26:15 PM

Title: Slow fermentation ?
Post by: Oh Crap on June 12, 2015, 01:26:15 PM
I pitched 2pks (rehydrated) 34/70 yeast into a black lager @12.5c on the 5th June.....
Og was 1.050...temp is constant 10c
Took reading today as I want to get ready for d-rest. Gravity was 1.038. It seems very slow or is that the norm for the yeast? I'm not worried but is it the temp too low? Should I up it to 12c? Or do what i should do and just leave it alone....
Title: Re: Slow fermentation ?
Post by: nigel_c on June 12, 2015, 04:37:15 PM
10 is at the low end, even for 2 packets of yeast. up it to around 12 and you should see more activity. You've probably set yourself back a week but there wont be any harm done.
Title: Re: Slow fermentation ?
Post by: alealex on June 12, 2015, 05:07:50 PM
Pitching @ 12°C didn't give yeast a kick start.
Try to pitch at room temperature next time. As you see activity in the airlock bring the temp down to 11-13°C.
Fermentetion will finish much faster.
This time as Nigel said give it time.
Title: Re: Slow fermentation ?
Post by: Oh Crap on June 12, 2015, 05:46:17 PM
I upped it a few minutes ago... Don't Mind the time setback as I don't need this till end of August (my birthday) so it can have all the time it needs until then. Cheers lads
Title: Re: Slow fermentation ?
Post by: auralabuse on June 12, 2015, 09:23:56 PM
Just a quick question, would you be at risk of phenols if you up it?