“Brewers are yeast farmers and care givers.” Learn that the function of the yeast is not to just produce ethanol and carbon dioxide, but also is essential in determining the style and flavor attributes of beer. In other words, yeast selection is vital to your beer. Learn how and which of the hundreds of yeast varieties to use based on their properties and effect on the final product. How do I keep the yeast healthy and happy so they produce the best quality and most consistent product possible? Learn how to store and re-pitch yeast and how many times you can do that before the yeast is no longer viable?