Keysands Dehydrated Organic Water Kefir Grains (Crystals, Tibicos) Delicious and easy to flavor with any fruit juice or sugar of your choice Water kefir brews in as little as 18 to 48 hours Water Kefir grains will last forever and multiply with proper care One Tablespoon of Dehydrated Water Kefir Grains Makes One Quart of Kefir Water