CapitaineHaddoc
Member
Hi guys,
I brewed 2 times last saturday, an IPA (92% 2row, 1064 OG), and an american stout (90% 2row and munich, 1080 OG). I'm brewing 60l/batch and I use 100l PET fermenters. Both beers were mashed at 147F°.
A week before, I built a healthy 5l starter with 2 vials of really fresh wlp007 (from October 18), I decanted then I split the cake in 2 and I made 2 other 5l starters. I used the YeastCalc application, and both starters were a bit overbuild (around 115% of the needed yeast amount).
I pitched them at 18.5° (65.3F°), and I put the 2 fermenters in my fermentation room at the same temperature (18.5). Sunday morning it was going pretty well, good activity and already krausen.
It was like this for 3 days and it slowly calmed down.
I took a hydrometer sample, the IPA was at 1020 and the stout at 1032. Expected FGs are 1011 and 1020 (I used lactose in the stout).
So I raised the temperature to 20° (68F°), and today I took another hydrometer reading. Both gravity are almost the same.
I never used this strain before. What would you do? Is 18.5° too cold for this strain? Should I swirl the fermenters? Or should I build another starter with another strain (I used 090 with good success many times)?
Thanks in advance, and apologies for my poor english.
Guillaume
I brewed 2 times last saturday, an IPA (92% 2row, 1064 OG), and an american stout (90% 2row and munich, 1080 OG). I'm brewing 60l/batch and I use 100l PET fermenters. Both beers were mashed at 147F°.
A week before, I built a healthy 5l starter with 2 vials of really fresh wlp007 (from October 18), I decanted then I split the cake in 2 and I made 2 other 5l starters. I used the YeastCalc application, and both starters were a bit overbuild (around 115% of the needed yeast amount).
I pitched them at 18.5° (65.3F°), and I put the 2 fermenters in my fermentation room at the same temperature (18.5). Sunday morning it was going pretty well, good activity and already krausen.
It was like this for 3 days and it slowly calmed down.
I took a hydrometer sample, the IPA was at 1020 and the stout at 1032. Expected FGs are 1011 and 1020 (I used lactose in the stout).
So I raised the temperature to 20° (68F°), and today I took another hydrometer reading. Both gravity are almost the same.
I never used this strain before. What would you do? Is 18.5° too cold for this strain? Should I swirl the fermenters? Or should I build another starter with another strain (I used 090 with good success many times)?
Thanks in advance, and apologies for my poor english.
Guillaume