The classical Yamahai brewing method makes Tamanohikari Yamahai a distinctSake. The secret lies in their 100 year old Kura brewery, where Sake fermentingspores settle naturally. The Yamahai brewing process takes 30 days to completetwice as long as any conventional process. For full enjoyment, serve at room temperatureor slightly warmed to no higher than 104 degrees F. Tamanohikari Yamahaican also be chilled and enjoyed on the rocks!