The 50 liter Photographer's Formulary PMK Pyro-Metol Kodalk FIlm Developer Kit is now in easy to use liquid form.
The PMK formula is designed as a universal developer for a wide variety of modern emulsions used under diverse conditions.
PMK stands for "Pyro-Metol-Kodalk" Kodak has changed the name KODALK to "Balanced Alkali"; this is their proprietary name for sodium metaborate.
The formula is constituted to achieve the best overall results in consideration of the following technical criteria:
- maximum image stain,
- minimum general stain,
- edge effects,
- film speed,
- flexibility for zone system Plus and Minus development,
- convenience of use and long shelf-life.
It comes with one-half liter of stock solution A, and one liter of stock solution B. Ready to mix into working solution.