Kent Marine Lugol's SolutionKent Marine Lugols Solution provides a strong source of free iodine and iodide to reef inhabitants and macroalgae. Although its very effective when used with stony corals, systems containing xenia and soft corals are particularly benefited by the use of Lugols Solution. Iodide supplement for reef aquariums Benefits systems containing xenia and soft corals Helps rid animals of unwanted parasites and harmful bacteria Used as a dip for stony and soft or