Silver was one of the three metals, along with bronze and gold, that we know ancient people used in their solid forms for water purification and filtration as far back as the Persian Empire. Documents attest that some emperors would refuse to drink water that wasn’t stored in a silver container.

Silver was one of the three metals, along with bronze and gold, that we know ancient people used in their solid forms for water purification and filtration as far back as the Persian Empire. Documents attest that some emperors would refuse to drink water that wasn’t stored in a silver container.