For color-timing Ektachrome, E100, E-6 compatible film. “TungstenChrome” cool-tone 3200K 1st Developer renders approximately 6+ stops of usable dynamic-range with cleaner whites, and moderately enhanced color saturation. 1000ml stock solution makes 2000ml of single-use working solution (1+1 dilution) to develop up to 16 rolls or 100ft of Ektachrome