Seachem Reef Iodide Supplement is a highly concentrated, stabilized potassium iodide source for reef aquaria that will restore and maintain iodide levels to those found in natural sea water. This supplement is formulated to provide a safe source of iodide that will not convert to toxic free iodine under storage or reef conditions. Iodide is an important element for invertebrates and soft corals, such as gorgonians, that have a symbiotic relationship with algae. It promotes coral and crustacean growth, enhances coloration, and aids in the molting process of crustaceans. Seachem Reef Iodide Supplement is easy to dose and does not upset the ionic balance in your aquarium. It's free of ammonia, phosphate, and nitrate, making it a safe choice for your marine life. This supplement is also beneficial for fish, as it prevents goiter, a disease caused by iodine deficiency. It's an essential product for maintaining overall health and vibrancy in your reef aquarium. The Seachem Reef Iodide Supplement is a cost-effective solution for maintaining iodide levels in your reef aquarium. It's available in multiple sizes to suit the needs of any hobbyist, from the small home aquarium to the large reef tank. In summary, the Seachem Reef Iodide Supplement is a vital addition to your aquarium care routine. It ensures the health and vitality of your marine life, enhances the visual appeal of your aquarium, and provides peace of mind knowing that you're providing the best care possible for your aquatic environment.