From: Carl Weese (cweese@earthlink.net)
Date: 06/25/01-04:41:08 AM Z
Pyro stain is allergic to acid conditions -- an acid stop bath or fix will
prevent stain formation on regular silver gelatin film...
>
> From what I have read the pyro will not oxidize very rapidly in an acidic
> solution. How much time do I have to use it before it starts to degrade? The
> reason I ask is that I am adding Pyro to each "shot" of developer vs mixing
> up a batch. Batching is more convenient.
>
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