I only used Parkson Premium, the store 1 the event 1 the dime to buy it. Milk is Newmaifu whole milk from New Zealand. I didn't buy a yogurt machine, so I used an electric cooker to keep warm. It worked once. Yogurt is thick and tastes sour. I need to put it in the refrigerator for later fermentation. Add some jam to taste when drinking, which is better than yogurt bought in the supermarket. This can regulate constipation. ...