The ESV B-Ionic Iodide (1% Potassium Iodide Solution) in an 8 fl. oz. container offers a highly soluble form of inorganic iodide, crucial for maintaining dissolved iodide levels in marine aquaria. Iodide serves as an essential micro-nutrient for numerous marine plants and may aid in enhancing coral adaptability to rapid changes in light intensity and spectrum. This solution offers a very pure and readily available source of inorganic iodide, ensuring optimal iodide levels in aquarium environments. With its high solubility and purity, ESV's Potassium Iodide 1% Solution is ideal for supporting marine ecosystem health. Each bottle contains 8 fluid ounces of the solution.