Bílinská kyselka (in English: Biliner, Bílina acidulous water) is strongly mineralized alkaline bicarbonate (i.e. 5 to 7 grams per litre) mineral water from Bílina city (Czech Republic). Particularly sodium, potassium, calcium, magnesium, and iron are present as cations, as are anions of chloride, sulfate, and bicarbonate. The temperature of spring water ranges between 17 and 20 °C. (63 - 68 °F). Due to the high content of free carbon dioxide is naturally carbonated and packaged without additional chemical modifications. Water is collected from a borehole from a depth of 191 m under the mountain Bořeň. Biliner is available in Europe in one liter and 500 ml bottles. Biliner bottles are cobalt blue polyethylene terephthalate.
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