Kodak Developer D-23
|Avoirdupois||U. S. Liquid||Metric|
|Water, about 125F (50C)||24 ounces||96 ounces||750 cc|
|Kodak Elon Developing Agent||1/4 ounce||1 ounce||7.5 grams|
|Kodak Sodium Sulfite, desiccated||3 oz 145 grains||13-1/4 ounces||100.0 grams|
|Cold water to make||32 ounces||1 gallon||1.0 liter|
Dissolve chemicals in the order given.
Average development time about 12 minutes in a tank or 10 minutes in a tray at 68F (20G).
The life of the developer can be extended by using Kodak Replenisher DK-25R. Add the replenisher at the rate of 6 gallons per 1000 rolls of film processed (3/4 oz per roll). The developer should be discarded after about 100 rolls (8,000 square inches) of film have been developed per gallon.