Nuclear color changing DI resin, in different packaging sizes to insures optimum performance. this resin mixture changes color from blue-green to amber yellow on exhaustion. It is designed for use in both regenerable and non-regenerable cartridges. Nuclear DI resin used in drug formulations, high pharmaceutical hospitals and meet the demands of the American, European, British and Japanese pharmacopoeias. Mixed Nuclear DI bed with macro-porous strong resin and gel anion resin offer a unique benefit of high selectivity and excellent kinetics achieving an efficient treatment for almost all needed purified water.