Traditional practice for use:
Fill the bottle with water at night and let it rest by your bedside, so the water can get ionized and then consume the water next morning.
Wash with lime water before first use. Hand wash with lukewarm water with lime and salt. Dry immediately with soft cloth. Do not place in microwave or dishwasher. Do not use for hot liquids. Do not leave liquids for period of more than 12 hours. Store water only. Do not use scrub / brush the outer surface.