Quote Originally Posted by Ian Grant View Post
Not sure where you get those figures from. A litre of Hypam or Ilford Rapid Fixer at 1+4 is fine for 24 rolls of 35mm or 120 film. Films and RC papers can tolerate far higher levels of silver than fibre based papers without affecting archival permanence.

Ian
+1 - but I use 16 rolls per 1.25 liters just to be extra sure.