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Photo Formulas & Techniques

Formula

With this toner it is possible to obtain a variety of pleasing brown tones by varying the time of toning. Prints may be removed from teh bath when the desired color is reached. This formula is suitable for use with Cykora, Indiatone, Cykon and Convira.   Solution 1 Hot Water (125F or 52C) 4 L [...]

This toner is recommended for beautiful reddish-brown tones.   Solution 1 Water 2350 ml Sodium Thiosulfate 450g   Solution 2 Water 30 ml Silver Nitrate 1.3 g   Solution 3 Water 30 ml Potassium Iodide 2.7 g   Add Solution 2 to Solution 1. Then add Solution 3 to the mixture. Finally add 105 grams [...]

Formula

This toner is recommended for warm-brown sepia tones.   Solution 1 Hot Water (125F or 52C) 750 ml Ferricyanide 50 g Potassium Bromide 10 g Sodium Carbonate, monohydrated 20 g Water to make 1 L   Solution 2 Sodium Sulfide 45 g Water to make 500 ml   For use as described below, dilute one [...]

Formula

This bath may be used in place of the regular acetic acid short-stop to give additional hardening to film. It is particularly desirable in hot weather, for tropical development, and for negatives which have to be enlarged while wet.   Potassium Chrome Alum 30 g Water 1 L   Films should be agitated throughly wien [...]

Formula

This solution is recommended for use between developer and fixer, to prevent staining of film negatives, radiographs, prints, etc. Agitate negatives or prints for at least 5 seconds in this bath before transferring to fixing solution.   Acetic Acid (28%) 45 ml Water 1 L   Glacial acetic acid (99.1%) may be diluted to the [...]

Formula

This hardening fixing bath for use with films in hot weather should be used fresh, as it does not retain its hardening action.   Solution 1 Hot water (125F or 52C) 2.5 L Sodium Thiosulfate 960 g Sodium Sulfite, anhydrous 60 g Water to make 3 L   Solution 2 Hot water (125F or 52C) [...]

Formula

This hardening fixing bath for use with either film or paper may be stored indefinitely and used repeatedly until exhausted. If the fixing bath froths, turns cloudy, or takes longer than 10 minutes to fix our completely, it must be replaced by a fresh solution.   Solution 1 Hot Water (125F or 52C) 500 ml [...]

Fomula

This developer is recommended for rich, warm-black tones with Cykon, Convira, Cykora, Indiatone and similar papers. This formula may be obtained in packaged form by ordering Ansco 135 Developer.   Stock solution Hot Water (125F or 52C) 750 ml Metol 1.6 g Sodium Sulfite, anhydrous 24 g Hydroquinone 6.6 g Sodium Carbonate, monohydrated 24 g [...]