Archived posting to the Leica Users Group, 2005/07/19
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]I've only used water fix with with fix TF4 with HC110. Become acid free!! I think acid seems a harsh environment for precious negatives. chris At 04:24 PM 7/19/2005, you wrote: >I use HC-110 1:63. This dilution puts me in the 9-13 minute >range for most films/EI's. > >Will a water stop do it for me? I worry, just because HC-110 is >known to be such an active developer. > >Also, I use pretty common fixers - Ilford Rapid Fix and Sprint >Speed Fixer. Easy to find here in DC. Are these "acidic fixers" ? > >Thanks. > >Scott > >John Black wrote: > >> >> >>>John, >>>Your experiments prove that switching to a neutral fixer is a good >>>thing. The typical acidic rapid fix will in fact serve as a very mild >>>bleach. >>> >>> >> >>This is quite true. The only reason to use an acid fix is to kill the >>developer quickly. Developers that are low energy (and low pH) like >>diluted >>Xtol do not require instant quenching like Rodinal, TMax and the various >>D76 >>derivatives. If your developing time exceeds 8 minutes, a water stop is >>all >>that is needed. >> >>JB >> >> >> >> >>_______________________________________________ >>Leica Users Group. >>See http://leica-users.org/mailman/listinfo/lug for more information >> > > >_______________________________________________ >Leica Users Group. >See http://leica-users.org/mailman/listinfo/lug for more information Chris Saganich, Sr. Physicist Weill Medical College of Cornell University New York Presbyterian Hospital Ph. 212.746.6964 Fax. 212.746.4800 A0049