Make real kefir from milk, juice or even coconut water with these kefir cultures from Cultures for Health! This kefir starter comes with four packets of kefir starter culture that can be recultured numberous times so you can keep producing healthy probiotic kefir in the comfort of your own home! Easy to use, one packet can be used to culture one quart of milk, juice, coconut milk or coconut water. Active at the high end of room temperatures (72 to 74F), these cultures do nor require a special incubator and produce delicious and refreshing probiotic kefir! Save money by making your own, and keep you and your family healthy with kefir cultures from Cultures for Health! Product Features Four packets of kefir starter cultures which can be recultured numerous times! Easy to use, simply stir culture into liquid gently, cover with a coffee filter or tight fabric with a rubber band, and allow to sit at 72 to 74F for 12 to 18 hours. Save money by making your own kefir in the comfort of your own home! Ingredients: Proprietary blend of select strains of lactococci, lactobacilli, Leuconostoc and Saccharomyces fragilis bacteria. May contain trace amounts of soy and milk.