This formula is closely related to Geoffrey Crawley`s FX-9 and FX-10 developers and is published in a book called RAYCO REVEALS.
Sodium Sulphite, anhydrous = 100 grams
Hydroquinone = 6 grams
CD-4 = 8 grams
Borax = 4 grams
Boric acid = 3...
Sodium Sulphite, anhydrous = 100 grams
Hydroquinone = 6 grams
CD-4 = 8 grams
Borax = 4 grams
Boric acid = 3...
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