Archived posting to the Leica Users Group, 2001/11/21
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search].... the presoak reduces the inevitible build up of contrast caused by constant agitation ( rolling) during development..... Frank Filippone red735i@earthlink.net The reason JOBO recommends a 5-minute presoak normally is that it brings the rotary processing times almost exactly in line with those published for inversion processing in small tanks. Otherwise, the rotary times would be about 15% less due to the constant agitation. - -- To unsubscribe, see http://mejac.palo-alto.ca.us/leica-users/unsub.html