GW Y-1000 Electric Yogurt Maker - Make Healthy Delicious Yogurt at Home (for Any one Liter Milk Container) Specially designed to maintain the ideal temperature required for preparing healthy, natural and perfect yogurt every time. Any 1-liter milk containers can be put directly into the yogurt maker. Add yeast or plain yogurt as a starter(approximately 50cc). Use the milk bottles as fermentation container to prevent the hassle of sterilization process. Make homemade yogurt with any kind of milk, even soy milk is a good choice. Eat healthy, nutritious, sugar free, additive free yogurt right as home.