I pitched a lot of US-05 yesterday that had an expiration date of 5/2013.. it has yet to start fermenting. If it doesn't take off soon any advice? Should I pitch another packet of US-05 or a different yeast?
Give it a little time. Noticable activity can take up to 72 hours.
That being said, I did an Imperial Stout last week. OG was 1.085, pitched two packets of refrigerated US-05 which I think had the 5-13 expiration (I don't normally pay much attention), and it was surprisingly slow to start up. It did eventually build up a nice kreusen, and I haven't taken a reading, but I've never seen US-05 this slow, and I us it all the time. Looks like I'm going to have to monitor this batch closely. (For the record, it smells fine, exactly like I expect, so I'm not too worried.)
I pitched two packets with an expiration date of 5/2013 and it did take a little longer to come alive... I think the culprit may have been the 1.101 og imperial stout though... it's chuggin now![]()
scottland said:Came home from a 5 day business trip and it finished at 1.010 down from 1.071 -- Exactly where I wanted and expected it to finish. So I can definitely confirm, attenuation is right where it should be. Just a slow ferment, and the yeast is slow to drop
Ozzfest05 said:+1
I love us 05 and have noticed my last 3 batches Krausen is still high 7-10 days into fermentation.
I have an amber ale at full Krausen and it's on day 7, Krausen started on day 2.
I find with us 05 I see Krausen after 48 hrs never before. I just racked my batch to secondary it tool 16 days for Krausen to fall. Popped a cream ale open been 1 week in bottle (us-05) and it's almost fully carbed it's clear and tastes really good.
I love us-05
nilo said:Brewed another batch using S05 yesterday. 24h passed and no signs of life, like the previous troubled batch. Will wait and see what happens. I know some folks report up to 72h before start so I'll wait. I don't care much about the timing as long as the beer tastes good.
I had two packages with 5/13 date in stock but visited another LHBS looking for a different lot. Out of luck, bough a package with lot# 71322 124 1855 exp 5/13. Noticed the store keeps the yeast in a fridge, contrary to the store where I got the S05 previously, that let it sit on a shelf so decided to give it a try.
Rehydrated and pitched at 63F. Keeping at 63F.
Update on the previous batch, still showing a nasty phenolic flavor. Pretty much undrinkable.
I brewd a cream ale over the summer with US05 that was highly phenolic. Brewed the exact same batch with wlp001 and it was excellent.