[Pre Order - allow extra time] Photographers' Formulary Potassium Carbonate Anhydrous (5 lb) Ideal Substitute for Sodium Carbonate, Alkali Accelerator for Developers, Produces Warm Tones in Paper Development
[Pre Order - allow extra time] Photographers' Formulary Potassium Carbonate Anhydrous (5 lb) Ideal Substitute for Sodium Carbonate, Alkali Accelerator for Developers, Produces Warm Tones in Paper Development