Reef dip contains elemental iodine complexed to a protective slime coat for safely and gently disinfecting corals it is effective against bacteria fungus and protozoans it may be used prophylactically without evidence of disease or to remedy diseased specimens it is safe to use with both stony and soft corals it is also safe for anemones and polypsr why its differentr reef diptrade provides a protective slime coat complex that covers the coral holding the iodine in contact with the