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. > ======================================================================== == > =================================== > To unsubscribe from this list, go to www.freelists.org and logon to your > account (the same e-mail address and password you set-up when you > subscribed,) and unsubscribe from there. ============================================================================================================To unsubscribe from this list, go to www.freelists.org and logon to your account (the same e-mail address and password you set-up when you subscribed,) and unsubscribe from there.