twilbrew247
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- Jun 23, 2012
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How do you store dry yeast? Fridge? Freezer? How long of a shelf life?
I had mine storing in the fridge as well and this batch I just brewed seems to be taking a while to start bubbling. Hopefully the yeast is alive and well!?!? Any thoughts?
i put mine in the butter door in the fridge. time? until i brew that style next, sometimes months
http://www.redstaryeast.com/lessons-yeast-baking/yeast-shelf-life-storage/dry-yeast
Dry brewing yeast should have the same storage requirements as IDY (instant dry yeast) for baking, right? If so, you won't be hurting the yeast keeping it in the fridge or freezer, but 'cool dry place' is just fine, too. Mine just sits in the pantry with all the other non-hops bewing stuff.
Active Dry Yeast, at <5% moisture, is originally packaged in an oxygen free atmosphere either via nitrogen flush or vacuum. Under these conditions they will loose about 20% activity / year when stored at 20C.(68F) and about 5% activity / year when stored at 4C.(40F). It is the presence of Oxygen and the pick up of small amounts of moisture that causes the yeast to deteriorate at a faster rate, once the package has been opened. If you can vacuum pack (kitchen vacuum package equipment)or store in an air tight container and refrigerate you may retain a substantial amount of the activity. It would be wise to increase the inoculum 50% to be on the safe side. It is always a gamble, depending on how much moisture the cells have picked up each time you open and close the package and return to the refrigerator.
passedpawn said:No beer stuff in my kitchen. It's a line I don't cross.
That line doesn't extend to your pool? ;P
31FIFTY said:I didn't rehydrate it at the discretion of an employee at brewmasters in San Leandro, CA. It is Safale S04.
http://www.redstaryeast.com/lessons-yeast-baking/yeast-shelf-life-storage/dry-yeast
Dry brewing yeast should have the same storage requirements as IDY (instant dry yeast) for baking, right? If so, you won't be hurting the yeast keeping it in the fridge or freezer, but 'cool dry place' is just fine, too. Mine just sits in the pantry with all the other non-hops bewing stuff.
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