A properly designed and maintained CRC is capable of recovering more than 95% of the silver from a silver-rich solutions when used in accordance with manufacturer specified flow rates. Two CRCs connected in series, with a valve between them to allow for testing will prevent the discharge of silver-rich solutions to drain. Hallmark's patented two - cartridge systems, properly installed and maintained and used in conjunction with manufacturer specified flow rates are capable of recovering 99% of silver from silver-rich solutions.
