cultures for health water kefir grains | easy to maintain kefir starter culture powder | bulgaros de leche vivos | reusable without loss of nutrients | natural, non gmo, gluten free | healthy replacement for soda | 1 packet cultures for health making naturally gut-healthy soda at home is as easy as mixing sugar into water - our water kefir grains will do the rest. one box will make 4+ cups of water kefir every day or two. add fruit or juice for a refreshing drink that even kids love. makes batch after batch of water kefir. vigorous culture: makes water kefir every 24-48 hours. contains water kefir grains and instructions.