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Silver ions have bacteriostatic properties. However, to achieve the bacteriostatic effect of the concentration of silver ions in the water must be improved so that it becomes unsuitable for drinking. Bacteriostatic properties of silver are known since ancient times. 2500 years ago the Persian king Cyrus in his military campaigns used silver vessels for water storage. Floor surface wounds silver plates was practiced in ancient Egypt. Purification of large quantities of water based on the bactericidal action of silver, it is particularly convenient to perform electrochemical means.