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How many drops should be added to 500mL of water?
How many drops should be added to 500mL of water?
You should use four drops of Photographers' Formulary Formaflo Solution for Black & White Film - 4 Oz. in 500mL of water.
Date published: 2024-03-28
What is the shelf life on an un-opened bottle...
What is the shelf life on an un-opened bottle...
The Photographer’s Formulary Formaflo Solution for Black & White Photography has an unopened shelf life of approximately 5 years when stored in a cool, dark place.
Date published: 2025-11-24