Polytoner tones B&W prints any color, using color-coupling chemistry: It tones the black image without affecting the highlights. (Effect: A black tree against a white sky, toned with green Polytoner: The sky stays white, the tree becomes green.) Use it with black & white photographic papers and Liquid Light prints. Contains red, yellow and blue couplers that can be blended for secondary colors.
Tones 40 size 8x10 prints.