View Full Version : Safale US-05 Stealth Fermentation
I brewed a blonde ale on Saturday, I rehydrated and pitched a packet of Safale US-05, my first time using this yeast. After 12 hours there was no airlock activity. Unusual for my brews, but no big deal. After 24 hours I was getting maybe one bubble per minute in the airlock. This morning, after 36 hours, there was no airlock activity at all. Thinking I had pitched some bad yeast, I took the top off my fermenting bucket and was greeted with the sight of the thickest, rockiest kraeusen, coming right up to below the bucket's lid. So it's definitely fermenting, but I've never had a batch do so this quietly. Anyone else ever experience this with this yeast?
02-19-2008, 02:12 AM
That's definintely odd. You'd think with a big ass krausen you'd get some good airlock activity. Are you sure lid was on tight?
Yeah, I am now paranoid about that. I checked and double checked it, and it seemed to be on tight. I made extra sure it was sealed tight when I replaced it. It seems fine, but the thought has crossed my mind it may not be seated as well as I think it is.
02-19-2008, 02:31 AM
Hmm, then I wouldn't worry about it. I'd check your gravity in a few days or if the bubbling ceases altogether anytime soon.
02-19-2008, 12:21 PM
I don't really look at my fermenting beer anymore 'cept to make sure they are at the target temps. I let them sit for a min of a week and let the hydro tell me when they are ready for the next step.
02-19-2008, 04:34 PM
My primary fermenters do not seal up good like they did when I first bought them, so I dont get airlock activity. If you place pressure on the lid you can watch the airlock start venting until you remove the pressure that is sealing it
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