AQUA Carpatica Natural Sparkling Mineral Water is naturally carbonated by ancient subterranean volcanoes, not machines. Over 650 feet under the earth, a blanket of metamorphic rock protects the water as it mixes with underground CO2, giving AQUA Carpatica its unique, nature-made bubbliness. AQUA Carpatica flows from the protected Paltinis Spring, in the heart of the Carpathian Mountains of Romania, where it’s bottled responsibly at the source. Clean and smooth taste, no bitter or salty aftertaste. It is protected spring water.