Originally Posted by crushingblackdoom
A year!? Crazy! Are you guys freezing in glycol?
Don't use glycol that will kill you! That is automotive antifreeze!
It is Glycerin that you are referring to.
I have made starters from yeast slurry a few months old and have made some from frozen yeast 6 months +. Since I started brewing just over a year ago I don't have anything as old as a year.
heard of people making successful starters from washed yeast a year old.