This listing is for a Kodak tri-chem pack to make 8 fluid ounce (237 ml) of Kodak Dektol developer, universal stop bath with indicator and universal fixer.  They come with the original instruction sheet. These chemicals are to be used for photographic purposes only! These chemicals will process fifty 2 1/2" x 3 1/2" black and white prints or one roll of verichrome pan black and white roll film. They should be used within 12 hours after mixing.  The stop bath when mixed is light yellow in color by room light but appears colorless by safelight illumination.  When it becomes exhausted it turns violet and appears black by safelight illumination.  

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