[pure-silver] Re: Jobo roller base.

  • From: <C.Breukel@xxxxxxx>
  • To: <pure-silver@xxxxxxxxxxxxx>
  • Date: Wed, 4 Jul 2007 09:32:06 +0200

After I switched from PyroPMK to PyrocatHD I do not have oxidation
problems (AFAIK), provided I use the slow rotation setting on my CPA (or
is it a CPE, it's the smallest version with 2 speeds). Even after 17
minutes the developer does not come out as tar black as PMK did after
say 10 minutes. I usse 500-600 ml PyrocatHD 1:1 :100 for 4 to 6 sheets
4*5

Best,

Cor

> -----Original Message-----
> From: pure-silver-bounce@xxxxxxxxxxxxx [mailto:pure-silver-
> bounce@xxxxxxxxxxxxx] On Behalf Of Peter De Smidt
> Sent: woensdag 4 juli 2007 1:40
> To: pure-silver@xxxxxxxxxxxxx
> Subject: [pure-silver] Re: Jobo roller base.
> 
> Eric Nelson wrote:
> > The simplest way to deal with the oxidation is 1/2 way
> > thru the process, dump the developer and add a fresh
> > batch.
> >
> An even simpler way to counter aerial oxidation with Pyro developers
in
> a Jobo is to use an extra 1/3 of the usual amount of the A solution,
> the solution that contains the pyro, as recommended by Anchell and
Troop.
>
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