Hello all I'm teaching Experimental Film at NSCAD and we are
hand-processing in a communal darkroom and there is a concern about
our bleach. Does anyone know what the least toxic recipe for a 3374
Hicon B+W reversal bleach is? One that does not use P. Dichromate or
Permanganate?
Has anyone tried a Potassium Ferricynide based bleach?
Any help would be appreciated.
Marcia Connolly
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Received on Tue Oct 04 2011 - 10:47:32 CDT
