A two-hour dvd of one of Sandor’s fermentation workshop, including demonstrations of making kefir and sauerkraut, as well as the history of fermentation and cultured foods, tips on fermentation vessels and storage, and information about micro-organisms, pre-digestion, and food safety (botulism, surface mould, and other fears de-mystified).
Unfortunately the movie Fermentation Workshop DVD with Sandor Katz is not yet available on HBO Max.