APPENDIX JDeveloper Dilution

 

A number of film developers are specifically formulated to work well at a variety of dilutions. Thefollowing is a list of some popular developers and the dilutions at which they are commonly used:

Edwal FG7 1:3 to 1:15
Kodak HC110 1:3 to 1:30
Ilford Ilfotec HC 1:31 to 1:47
Kodak D76 1:1 or undiluted

Recommended Normal Development Times and mixing instructions are provided with all these formulas.

Changing the dilution of a given developer has a dramatic effect on its characteristics and performance. As a general rule, developers that are more dilute produce negatives with softer tonal gradations and finer grain. Diluted developers are ideal for Contraction developments because of their relatively ...

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