Křepkovická acidulous water is still the oldest documented, continuously utilized, mineral spring in Tepelská Highlands and one of the oldest in the Karlovy Vary region at all. Located in the village in the valley Pekovic Hadovka creek about 20 yards from the road at an altitude of 639 meters above sea level. It is a cold mineral water at a temperature of 7 °C. The type designation according to the composition of the calcium-magnesium hydrouhličitanová ferrous mineral water. Is stored in the hollow trunk (coverage) and the depth is 78 cm.
Why is this called mineral water for acidulous water and what is actually acidulous?
The water passes through the rock limestone dissolves, particularly if it is present, and carbon dioxide on the surface, then just heating or removal of carbon dioxide plants and tufa layer arises. Due to the great speed of precipitation of calcite may include fossil contemporary organisms.
Acidulous are composed of three basic components: water, carbon dioxide and dissolved solids. Each of these components has a different origin. Acidulous springs appear to be always in certain places, where the conditions for the acquisition of all three components.
Mineral water is water that its properties or composition differs significantly from other groundwater are in 1 liter of water more than 1 gram of dissolved solids or more than 1 gram of dissolved carbon dioxide, which are currently acidulous.
The composition of mineral water - for example, Magnesium, Calcium, Sodium, hydrogen carbonate, sulfate, chloride, free CO2. Carbon dioxide (CO2) is Křepkovické mineral water exceeds this setpoint, but it has already read the information board.
Virtually every type of water in nature contains dissolved substances or rainwater is chemically quite clean. As the mineral water can therefore in its broadest sense mark all natural waters in hydrogeological practice, however, are so called natural groundwater have some special physical, chemical and physico-chemical properties, which is ideal for medical or dietetic use. Other water containing a greater degree of solute (eg some mine waters, etc.) are referred to as mineralized, even if they are used when a person, such as for industrial production. Mineral water can have therapeutic effects, but long-term drinking only mineral water is not recommended because of its high content of mineral components can clog arteries and raise blood pressure.
In the Czech lands traditionally vydělovaly mineral water from the common groundwater according to five criteria: the total amount of dissolved solids, carbon dioxide, temperature, radioactivity and content of some important compounds (hydrogen sulfide, iron, arsenic, iodine, etc.). Over the years, changed and changing the value of individual limits, distinguishing the two categories of waters, but the essence of this basic division remains the same. The situation is similar in other countries endowed with rich mineral waters as Bohemia and Moravia.
Under the current legislation ("spa Act" No. 164/2001 Coll., And "Decree on the sources and spa" No. 423/2001 Coll.'s Republic of mineral water regarded naturally occurring groundwater original purity, the composition and properties , which is in terms of the physiological effects of dietary content of dissolved solids or other components. The above traditional criteria, however, are preserved for the mineral water for medical use, which must be at least one of the following limits:
- 1 g / l of dissolved solids (total digestion)
- 1 g / l of free dissolved carbon dioxide (acidulous water)
- Content for health important chemical element (iodine, fluorine, silicon, sulfur, etc.)
- Temperature seepage at 20 ° C
- The radioactivity due to radon 1,500 Bq / l
The origins of the use of acidulous water Křepkovické can ask with some caution has to 13 century, but no later than the 14th century. Proof of age is medieval pottery shards, which together with younger fragments found in the fill source. The question is whether, having regard to the proximity of the monastery in the Warm setting out its collection should not affect whether direct or indirect local Premonstrates.
Medieval form spring collection but do not know, because it was destroyed by later interventions. But they were found traces of a younger reservoir in the form of barrel staves, which dates back as finding related fragments of vessels to 16 century and into the next period.
Next spring collection safely detected, this time made in the hollow trunk, came up from the second half of the 19th possibly early 20 century. Last spring finish was removed and replaced with new by collection.
Today is seduced into a new source of pits formed again hollow stem, which is slightly shifted from its original position.
In these final adjustments source was removed from his room wood for unknown reasons it was previously left to overhang into the spring. However, it was a problem hygienic purity mineral water.
The current collection to a new strain was established in August 2010. Along with this, there was also a security and processing workers discovered archaeological Museum Marienbad. There are stored for the purpose of further study. In Mariánskolázeňská museum in the future will also be exposed to potted hollow stem of the penultimate collection.