Mysterious Black Silt, or Residue in Fixer Tray is also Staining Prints
"tipscommissar" wrote
cloudy black silt in the fixer that leaves sooty stains on the prints. I have had that happen in a Nalgene bottle that held working fix. After a while the bottle formed a grey coating on the inside that would precipitate the silver from the fix. The fix (pardon the pun) was to throw out the bottle. There wasn't any cleaning or bleaching operation that had any effect on the bottle's precipitative powers. I would try using brand new jugs/bottles, new trays and new tongs. -- Nicholas O. Lindan, Cleveland, Ohio Darkroom Automation: F-Stop Timers, Enlarging Meters http://www.darkroomautomation.com/da-main.htm n o lindan at ix dot netcom dot com |
Mysterious Black Silt, or Residue in Fixer Tray is also Staining Prints
"Nicholas O. Lindan" wrote in message m... "tipscommissar" wrote cloudy black silt in the fixer that leaves sooty stains on the prints. I have had that happen in a Nalgene bottle that held working fix. After a while the bottle formed a grey coating on the inside that would precipitate the silver from the fix. The fix (pardon the pun) was to throw out the bottle. There wasn't any cleaning or bleaching operation that had any effect on the bottle's precipitative powers. I would try using brand new jugs/bottles, new trays and new tongs. Soak the offending trays/bottles in a plain old ordinary Clorox dilution with water in a well ventilated area. Stand back from the resulting fumes. How old is this fixer? If fresh, are you using distilled or at least ionized water? |
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