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-   -   Rehydrayed yeast left out overnight--use or toss? (http://www.homebrewtalk.com/f163/rehydrayed-yeast-left-out-overnight-use-toss-184586/)

eaglehoo 06-30-2010 02:32 PM

Rehydrayed yeast left out overnight--use or toss?
I rehydrated some safale 05 last night to prime by t'ej (Calagione's recipe) for bottling this weekend, but managed in my sleep-deprived state to forget to add it to the carboy and left it uncovered on the counter all night. The yeast solution looks and smells like nothing more than yeast. Since my LHBS is 45+ minutes away and a major project to get to with 2 young kids, I would prefer not to have to go get more yeast. Should I consider this yeast contaminated and toss it, or should it be safe to use (the OG and FG of the brew in question are 1.085 and 1.020). Thanks!

rawg 06-30-2010 05:15 PM

Toss it. Dry yeast is cheap and its not worth risking an infection on a beer that size.

iijakii 06-30-2010 09:17 PM

Dry yeast lasts and lasts, chalk this up as a lesson not to have a spare clean/generic like S-05 for emergencies!

shanecb 06-30-2010 10:38 PM

Could try makign a starter then smell it and give it a little taste to make sure it's still ok.

krops13 06-30-2010 11:23 PM

Off with there heads!!! LOL sorry watched alice in wonderland last night.

ksbrain 07-01-2010 02:39 AM

I would just bottle without extra yeast for a beer with those stats.

Wolfy 07-01-2010 02:41 PM

If the yeast had been kept covered (as it should have been in the first place) it most likely would have been OK to use.
When you visit the LHBS to get more yeast make sure you grab a few extra packets to always keep in the fridge for these kinds of emergencies. ;)

bja 07-01-2010 06:29 PM


Originally Posted by ksbrain (Post 2138570)
I would just bottle without extra yeast for a beer with those stats.


Why do you need to repitch for bottling?

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