... choose yogurt making.( also you can make natto and rice wine).3. 3 options for you, light, medium, ... to RefrigerationFunctions of yogurt, natto, rice wine makingFermentation temperature for yogurt, natto, rice wine: 42,42, 30 degreeFermentation ... time for yogurt, natto, rice wine: 4-6-8 hours, 14-22-36 ... refrigerationPlease view our other produdcts: Yogurt Making Machinery