The hobbyist literature contains numerous references to the benefits of adding Iodine to the marine aquarium. Iodine is found in natural seawater at concentration of 0.06mg/L, in our saltwater aquariums it removed by protein skimming and by activated carbon filtration.
The Iodine is essential to many fishes and invertebrates, for example certain corals that pulsing movement in the water may become motionless in there a lack of iodine in the saltwater. Fish such as sharks, jawfish and hawkfish will develop goiters ( an abnormality of the thyroid) again if they receive a lack of iodine.
Test kits are ready available at your local fish shop along with additives for replenishing iodine, be careful not to over dose.
For more information on Marine Aquarium Water Chemistry or the Marine Aquarium Beginners Guide click here.
Recommended Water Testing Kits by Saltwater Aquarium Guide
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