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1/1/1970 12:00:00 AM

Photographers' Formulary

Photographer's Formulary ABC Plus Pyro Film Developer, is a formula developed by Harald Leban specifically for rotary processing in Jobo equipment or BTZS processing tubes. Photographer Carl Weese painstakingly tested this formula and allowed The Photographers' Formulary  to use his information in their instruction sheets. The testing was done on several hundred negatives under a wide range of lighting conditions, being developed in Jobo Expert drums. The results were clean negatives that can be processed in fairly short times at a relatively low (70 F) temperature in a single batch of chemistry. This formula however does not perform well in tray development because it produces a strong silver image with very little stain. To Make 33 Liters of Working Solution