The process comprises introducing a hydrosulfide reagent into the fixer solution, which contains {TAIL ~ silver}, to precipitate silver sulfide while maintaining pH and thiosulfate levels in {HEAD ~ the fixer} to allow for reuse 
The process comprises introducing a hydrosulfide reagent into the fixer solution , which contains { TAIL ~ silver } , to precipitate silver sulfide while maintaining pH and thiosulfate levels in { HEAD ~ the fixer } to allow for reuse
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH