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