News — darkroom

Metallic Replacement Silver Recovery Units. MRUs use a chemical process to recover the silver in the fixer solution. This process involves the use of canisters ranging in sizes from 5 to 20 gal containing either steel wool or wound screen. These units do not need a power source and are only connected with hose attachments. There is a bypass tube that is connected at the top of the cartridge, which allows the fixer solution to go directly to the drain instead of through the cartridge if the cartridge becomes plugged. These systems are extremely efficient, with recovery of silver up...