FX-4 Film Developer

Geoffrey Crawley’s FX-4 film developer. Original version published in 1961.

Recipe

Chemical Amount
Water (50 °C) 750 ml
Metol 1.5 g
Phenidone1 0.5 g
Hydroquinone 5.0 g
Sodium sulfite (anhydrous) 100 g
Borax 2.5 g
Potassium bromide 0.5 g
Water to make 1000 ml

Mix chemicals in the listed order. Make sure each chemical is completely dissolved before mixing the next one. Mix a pinch of the sodium sulfite before mixing the metol. Use distilled or deionized water for improved keeping properties. The stock solution may be diluted with tap water at the time of development.

Usage

Use stock solution or dilute 1+1 and develop at 20 °C.

Comments

D-76 like developer giving higher film speed and more compensation.

Footnotes:

1

Measuring small quantities of phenidone, see Phenidone Solution

Updated: 2023-12-23