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Karlovy Vary
Mariánské Lázně
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Healing Resources 

Radon water acts as the natural healing resource used for spa procedures. The source of the healing effect of radon, which chemically is an inert gas, is the soft ionised alpha radiation. Its repeated use in small doses helps to stimulate positive processes such as repairs of damaged DNA, tissue regeneration, increased secretion of anti-inflammatory cortisol and of the "hormone of happiness" endorphin, and it activates the immune system. This briefly covers the extraordinary effects of radon bath and their anti pain effects.

The water from all these springs is collected into a pool on the 12th floor and from there it is pumped to a height of 400 metres into an accumulation tank on the Barbora floor. From this tank the radon water is released down to the Daniel floor and distributed via pipes with a total length of 3000m into the individual balneology establishments.

At present four springs are used on the 12th floor of the Svornost Mine at the depth of 500 metres below the surface:

Pramen Curie (Curie Spring)
Yield: 30 l/min Temperature 29°C, radon activity 5 kBq/l
Pramen C1 (Spring C1)
Yield: 30 l/min Temperature 29°C, radon activity 11 kBq/l
Pramen Běhounek (Běhounek Spring)
Yield: 300 l/min Temperature 36°C, radon activity 10 kBq/l
Pramen Agricola (Agricola Spring)
Yield: 10/min Temperature 29°C, radon activity 20 kBq/l