G504

Reducer for very hard negatives such as over-developed and over-exposed ones. The same as G503, this reducer attacks the highlights first but it has more predictable results. IngredientQuantity Mix chemicals in order. Ammonium persulphate 20 mililiters Sulphuric...

G503

Super-proportional reducer for very hard negatives such as over-developed and over-exposed negatives. This reducers will attack the heavier densities (highlights) first. IngredientQuantity Mix chemicals in order. Ammonium persulphate 40 mililiters Water to make 1...

G502

Reducer for over-developed negatives. IngredientQuantity Mix chemicals in order. Solution A Potassium permanganate4 grams Water to make 1 liter Solution B Sulphuric acid2mililiters Water to make1liter Both Solution A and Solution B keeps well. For use take 100...

G501

Reducer formula suitable for over-exposed and/or over-developed negatives that are fogged or too dense. IngredientQuantity Mix chemicals in order. Solution A Sodium thiosulphate100 grams Water to make 1 liter Solution B Potassium ferricyanide100grams Water to...

G352

Gevaert formula for a acidic stop bath. IngredientQuantity Mix chemicals in order. Potassium metabisulphite 50 grams Water to make 1...

G351

Gevaert formula for acid stop bath. IngredientQuantity Mix chemicals in order. Acetic acid, 28% solution 50 mililiters Water to make 1...