|Potassium Bromide||10 g|
|Water to make||1 L|
Bleach in Solution 1 and after through washing, redevelop to desired density and contrast in Ansco 47 or other negative developer except fine-grain developers. Then fix and wash in usual manner. Conduct operation in subdued light.
From Ansco Formulas for Black and White Film by GAF, 1948 – Formulas are provided for historical reference. They may not work well with modern films and papers. Some of the chemicals can be dangerous. As with all photographic processes, be careful.