If you don't plan to use the same yeast more than once every couple of months, is the best plan to just purchase new yeast?
In my humble opinion, a brewer is better off purchasing new yeast if he/she is not cycling through each of his/her crops at least once every six weeks.QuoteOr can you store the saved yeast in the mason jars for more than a month and then make a starter from it?
I know that they are popular with home brewers for some reason, but Mason jars are not the best storage container in which to store yeast. Yeast need to be able to off-gas in storage. I have found that the best storage container for home brew-size crops is a 500ml Erlenmeyer flask with a No. 7 stopper, and a 3-piece airlock filled with sanitizer just above the holes on the piston (the part that moves up and down). A case of 6 Corning 4980-500 500ml Erlenmeyer flasks can currently be had $24.68 with free shipping on orders of $35 or more from Amazon. Corning glassware will last a home brewer a life time if not abused. I have two 4980-500 500ml Erlenmeyer flasks that are over 20 years old.
I bought some of the plastic lids for my masons and they allow a bit of off gassing compared to the metal ones. I know it's not that perfect but this was some of my local brewery's yeast (blend of BSI-1 and BSI-840) which was VERY active and I could hear it hissing. Maybe I am asking for trouble:) but these masons are pretty darn thick.
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