jeremys
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- 28/2/12
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I have bought a Wyeast smack pack of 2206, but forgot to check the date on the pack. It is nearly 6 months old, and I am planning to make a starter with it to use in a batch of Marzen next weekend. I've never used yeast close to this old before, and Mr Malty's pitching rate calculator suggests that viability is only 10% and I need 6 packages in 10L of starter to reach the required volume. But I only have one package.
I am thinking my best option (other than trying to find some newer yeast) is to do a stepped up starter. I've never done this before and would appreciate any advice on how to do this. Also, any advice from anyone who has stepped up old yeast would be much appreciated.
I am thinking my best option (other than trying to find some newer yeast) is to do a stepped up starter. I've never done this before and would appreciate any advice on how to do this. Also, any advice from anyone who has stepped up old yeast would be much appreciated.