Hi all, my brother and sister-in-law got me an extract kit for Christmas. They ordered the White Labs London Ale Yeast, but it has been unrefrigerated for about a month. Is this yeast still viable? I am still fairly new to homebrewing and have only worked with dry yeast so far. Happy holidays!
Unrefrigerated Liquid Yeast
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brrman
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It depends on how warm it was, but I would not bet much on that yeast... Best you can do is try a starter and see if it works.
I would make a starter a few days ahead of brewing to make sure its working or have a back-up plan.
Our beer sits on yeast at room-temp and its still viable a month later to bottle so unless its been stored on the stove, it might be just fine. The cell count might be lower than it would of been. Either way starter is the way to go to find out.
Our beer sits on yeast at room-temp and its still viable a month later to bottle so unless its been stored on the stove, it might be just fine. The cell count might be lower than it would of been. Either way starter is the way to go to find out.
With any liquid yeast question, the answer is always make a starter. It will let you know if the yeast is viabile and it will reproduce those living yeasts. That's how we can make huge starters incrementally by harvesting yeast from bottles. You multiply the living cells.
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