Reefbullbasis iodide is a stabilized safe iodide supplement designed to nourish organisms that require iodine r it is particularly useful for soft corals of all kinds particularly xenia as well as gorgonians hard corals tunicates marine worms such as feather dusters sponges macroalgae and crustaceans particularly shrimp r growth rates in xenia and gorgonians will likely improve with its user it helps all corals and clams retain their coloration and shield against strong lightin