It contains biologically active substances such as the metasilicic acid of 43 mg/dm3.
N. G. Myazina 2018, 'Water Man-Made Objects Used for Balneological Purposes (an Example of Volga-Ural Anticlineand the Caspian Depression)', Vestnik Permskogo Universiteta: Seriâ Geologiâhttp://geology-vestnik.psu.ru/index.php/geology/article/view/256. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)