Iodine
•Naturally exists as:
–I- iodide (0.01 – 0.02 ppm)
–IO3- iodate (0.04 – 0.06 ppm)
–Organic Iodine such as methyl iodide
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•What uses it?
–Corals (gorgonia, “black corals”, soft corals)
–Trunicates, sponges, worms, shrimp
–Algae
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