Originating in The Republic of Georgia, Matsoni yogurt (pronounced Madzoon) is also known in Japan as Caspian Sea Yogurt. This yogurt is mesophilic meaning it is made at room temperature without needing a yogurt maker or incubation. It is a slightly thick yogurt with a mild tart taste and a jelly-like consistency. When fed and cared for you can make yogurt indefinitely. Cultures at 70-78°F. Culture is shipped in a shelf stable, dry state.