Made by Guelph's own Escarpment Labs Yeast Company. This is their Sourdough Culture. Here is what they had to say about it "You can make delicious kombucha at home, but first you need a great kombucha SCOBY.
We have you covered. Our SCOBY (Symbiotic Colony of Bacteria and Yeast) is grown in the perfect scientific environment and packed with healthy bacteria and yeast to ferment your kombucha quickly (two weeks or less). Plus, our culture comes with easy-to-follow instructions that will have you brewing up delicious batches of kombucha in no time!
Once established, your SCOBY (a.k.a. kombucha mother) can be reused many times like a sourdough starter. Are you ready to experiment with wild flavours and fresh ingredients?
KJ Staff Note: We love fermentations, but with Kombucha our knowledge is limited. We don't play around with it because it can be very contagious and we do not want to hurt our substantial wine production done on site. We'll try to help with questions, but this is an area of weakness for us.