Alestateyall just motivated me to pull a couple slants of 2352 out and start propagating them for my next brewday. Got my mini flasks in the autoclave now.
Using Saccharomyces’ size rule of 4 times larger, I’ve got a couple 100ml pyrex erlenmyers to shake 25mls like it owes me money. (Step 1)
First try at propagation from a slant. Two days ago I pulled a little bit from a slant and inoculated 20ml. This morning I pitched those to 200ml. I think its actually working. What an amazing hobby!
Welcome to a fascinating hobby within a fascinating hobby! This event is the start of a completely new brewing experience, one without limits placed on you by the major yeast propagators. Every culture in the world is available to brewers who can propagate from slant or a spec of lyophilized yeast shipped in a glass ampule.
Phil, you need to go for it! Propagating a culture from slant is easier than taking a liquid culture through the single cell isolation process. You will be good as long as you perform your initial inoculation aseptically into autoclaved wort within the sphere of your sterile zone. You need to determine how wide the sterile zone is around your alcohol lamp or Bunsen burner. If you feel heat, then you can be fairly certain that there is an updraft that prevents dust from settling in/on your culture.