Peter I use the Ilford temperature conversion chart which was on the Ilford web site, I could not find it now, if you want it I can send you the .pdf. It gives you a good starting point for these kind of situations, Best, Cor > -----Original Message----- > From: pure-silver-bounce@xxxxxxxxxxxxx [mailto:pure-silver- > bounce@xxxxxxxxxxxxx] On Behalf Of Peter De Smidt > Sent: vrijdag 15 september 2006 19:10 > To: pure-silver@xxxxxxxxxxxxx > Subject: [pure-silver] Temp adjustment TMX > > So I'm going to try some Pyrocat-HD to develop 4x5 tmx in a Jobo. Sandy > King recommended 11:30 minutes of development at 70F with the 2:2:100 > dilution. So far so good, except that I process everything at 75F to be > sure that I'm always processing above the ambient temp in my darkroom, > and my calibrated thermometer is awol, and hence I don't really want to > change temps. While I will run development tests, they will > becomplicated since I don't have a densitometer that deals well with > pyro stains. So, can anyone suggest what time at 75F would give > equivalent contrast to Sandy's recommendation at 70F? > ======================================================================== == > =================================== > 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.