[pure-silver] Re: D-Max with pyro


----- Original Message ----- From: "Koch, Gerald" <gkoch02@xxxxxxxxxx>
To: <pure-silver@xxxxxxxxxxxxx>
Sent: Wednesday, December 14, 2005 3:45 PM
Subject: [pure-silver] Re: D-Max with pyro


Pyrogallol was a popular developing agent in the 19th and early 20th
centuries. I believe one of the reasons why it fell out of favor is
when films could no longer be developed by inspection. There was a
problem of inconsistent staining.
===
The PMK formula stains very consistently. Certain films stain very well, others don't, but from roll to roll, the stain looks very similar. I use an all-alkaline process, though, and this helps. Acid stop baths and fixers remove some of the stain, so having a longer fix time will result in less staining.

I don't use an after-fix staining bath.  I don't find it to be necessary.

Jim 

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