Freezing Yeast

I know this is pretty high-tech beer geeky stuff, but apparently some advanced homebrewers freeze yeast in glycerine in order to store the samples long term. This is also referred to as making yeast slants. I don’t have any test tubes or glycerine, nor do I know where I could purchase them locally. You also need to have impeccable sanitation habits, which I do not. I can get pretty sloppy about stuff like that. My brewery is clean enough, but I’m not obsessively anal-retentive about making sure that anything that every comes in contact with my beer is medically sterile. Here are two online articles about the process of preserving yeast with glycerine:

About Mike

I'm the head brewmaster at Shepody Brewery. I'm the one who chooses the recipes, orders supplies, does all the grunt work, and drinks most of the product.
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