Rinse a few times before use, place in 8oz container with water, and let sit for 12 hrs. Add water to container as needed. Always keep some water in container. Rinse stones once every 2 weeks. Change stones every 3-4 months. Keep water at room temperature. Drink 8oz a day or more as needed.
Please note that due to variations in natural stone, there may be some variation in shape and shade of color in the stones.