BPI Color Developer will extend the life of your tints. Add a few drops of BPI Color Developer daily to your tint solution for consistently vivid colors. Reduces streaking and spotting of the tint, eliminates agglomerations without interfering with tinting and re-suspends tint pigments for color uniformity. BPI Color Developer is a must for IR Gray.

California residents: click link to product SDS and check Section 15 for California Proposition 65 warnings.