The Berg Color Toning System provides a very versatile method for the color toning of black and white print or transparencies.
The dye based system can produce a wide range of colors not available with metal salts type toners.
Colors may be mixed to achieve just the right color desired. Works on all black and white photographic materials including film, fiber and resin coated papers and stabilization materials.
1 quart bottle of red No.1 toner