You should check both the Kodak and Tetenal web sites. I personally have no experience with 3-step. I only use 6-step. The caution that I referenced was straight out of the JOBO ATL manual. :-) Jim At 07:16 PM 2/5/2003 -0500, Jim Hemenway wrote: >Jim: > >Thanks for that info... is it okay then for Ektachrome? > >Thanks, > >Jim - http://www.hemenway.com