Corals don't "need" iodine additives, or any other additives. Your tank will do just fine with water changes only. The additives can be used to "tweak" color etc. Always observe when adding anything to make sure you're getting the desired results. If not discontinue it.
My latest tank is only 3 months old so I haven't add any supplements yet. I want to establish a "base line" to be able to notice any effects, good or bad.
I like to add iodine to my calcium chloride supplement, which is dosed several times a day.
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02-25-2012, 05:16 PM
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