The stir plate should be loosely covered for air movement. I use a aquarium pump to provide oxygen to the propagation process inside the flask covered with a sandwich baggy.
Bad things fall don't crawl up. I try to stay under the crabtree effect. There is a great deal of understanding to be acquired. Google aerobic yeast propagation.
bobz
Bad things fall don't crawl up. I try to stay under the crabtree effect. There is a great deal of understanding to be acquired. Google aerobic yeast propagation.
bobz