Can I Modify T-MAX RS Developer and Replenisher to Provide Longer Development Times?
You can use KODAK T-MAX RS Developer and Replenisher over a wide range of temperatures. It does not give significantly better results at one temperature than it does at another. The most important consideration in selecting a temperature is the ability to maintain it easily year-round. In warmer climates, a relatively high temperature can be easier to maintain. However, if development times fall below five minutes, the risk of nonuniformity increases. To lengthen development times while continuing to operate at a higher temperature, you can decrease the developer activity by adding acetic acid to the developer. The acid lowers the pH of the developer, which calls for an increase in development time. There are practical limits to how much you can lower the pH without causing other effects. Method 1 and Method 2, below, offer two acceptable options for lengthening development times. Decreasing Developer pH, Method 1. To each gallon of both tank solution and replenisher, add 15 mL (0.5 fl
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