Minerals & electrolytes added for taste. Greater than or equal to 8.8 pH. Himalayan minerals. To find out more about Alkaline88 water quality & information, please visit our website Alkaline88.com or call 1-866-242-0240. BPA free. Purified by Reverse Osmosis. To accurately verify pH, use a calibrated pH meter or high range reagent drops. Do not use low range pH strips made for human fields. Bottled from water sources meeting requirements of US EPA drinking water regulations. Trading Symbol: WTER.