Kodak E-6 Chemicals These chemicals can be used in small tanks, sink-lines, minilabs, and rack-and-tank, or roller-transport type processors. Process E-6 requires each of the following chemicals: first developer, reversal bath, color developer, pre-bleach, bleach, fixer and final rinse. Features: All are liquid concentrates for easy mixing and handling Available in a variety of sizes for the most economical and efficient use in your processing lab