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Photographic Possibilities, 2nd Edition by John Valentino, Robert Hirsch

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Formulas of Your Own

4

PREPARED FORMULAS VERSUS MIXING YOUR OWN

Commercially Prepared Chemistry

A wide variety of commercially prepared formulas are available for use in photographic processes. These prepared formulas are accurately compounded and easy to mix, and they provide consistent purity and uniformity that ensures high-quality results.

Why Mix Your Own?

It can be valuable to any photographer to know how to prepare a formula from scratch. Mixing your own formulas can provide a clear, concrete cause-and-effect demonstration of how various photographic processes work. This understanding can be applied to achieve better control of the medium. Mixing your own formulas also can be less expensive than buying packaged preparations. ...

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