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Developing Black & White Photo's at Home

Step 8Getting the temperatures correct

Getting the temperatures correct
The developer is extremely temperature sensitive (the fixer slightly less so), for most brands the optimum temperature is 20 degrees C (or 68 degrees Fahrenheit). It's very important to get the temperatures right so a decent thermometer is required.

The way i get my temperatures right is to use hot and cold water to dilute the fixer and developer until they are at roughly the correct temperature and then sit them in a pair of measuring jugs in a pan filled with either hot or cold water until they are at the correct temperature.
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Author:}{itch