Rockland Polytoner tones black & white prints any color, using color-coupling chemistry. It tones the black image without affecting the highlights. (Effect: A black tree against a white sky is 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.
Note! Shipping charge for this item includes a HAZMAT surcharge.