Gerolsteiner Mineral Content (Amount per Liter): mg/L: Calcium (Ca2+) 345, Magnesium (Mg2+) 100, Bicarbonate 1,800, Potassium 10, Sodium 115, Chloride 40, Sulfate 35, Other Minerals 55, Total Mineral Content 2,500. High mineral content. Perfectly balanced taste. Bottled at the source Gerolstein with natural carbonation added. Our Quality Promise: We guarantee a mineral water of best quality. For more information and to obtain additional consumer information relating to water quality, including a consumer confidence report, contact Gerolsteiner customer service line at 1-800-777-0633 or customerservice(at)gerolsteiner.com or visit: www.gerolsteiner-usa.com. www.gerolsteiner-usa.com. Product of Germany.