iodine is one of those touchy supplements.
in the right about its very helpful, but if you overdose it, it can be very disastrous.
too much iodine can affect different corals in different ways, but just as an example, you can melt away a xenia from just a small over dose..
i recommend that you maintain iodine with water changes, or if you are experienced enough you can use test kits and supplements, just be cautious
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