recovering said fixer solution in a condition suitable for reuse as a photographic fixer in {HEAD ~ a process} for fixing {TAIL ~ photographic film}, wherein the pH of said solution is not significantly altered by said process 
for fixing
recovering said fixer solution in a condition suitable for reuse as a photographic fixer in { HEAD ~ a process } for fixing { TAIL ~ photographic film } , wherein the pH of said solution is not significantly altered by said process
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH