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the effects of aging on developers
This question may be a bit of a handful. My question concerns developers and
what are the effects on the print or film as the developing agents age. I know most, or I should say those that I use (powdered mix D-76 and Dektol and Selectol), say a shelf life of 2 months in a tightly-stoppered dark bottle is the limit and I follow that suggestion. But what I would like to know is what can be expected as the developing agents age. Are the effects uniform or do the highlights suffer first and shadow detail second or vice versa? I guess what I'm asking is if the component developing agents deteriorate at different rates. What happens if you go beyond the suggested shelf life. Is there some kind of compensation that can be made for the aging of the developing agents? I'm hoping to get replies based on obviously more knowledge, but also the breath of experience that others have in processing their own film and prints. All replies will be welcomed. Thanks! |
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