Randy Holmes-Farley
Reef Chemist
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My Tank Thread
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Randy just a question and probably a silly question, hopefully not too off topic.
But can element be important yet not being consumed?
Best example I can think of is air. We need air for oxygen but if air was 100% oxygen we would be in trouble, burn up and all. But air is 75% Nitrogen and that makes it stable.
I think some of these elements perform same functions in sea water. Just don’t ask me where they go if the organisms don’t use them like Floride etc… I suspect part of the problem is that the reef tank doesn’t function like the ocean or at least mine doesn’t.
I find Iodine fascinating, I know your general opinion and experience. But from my experience with my tank I can now tell when it is low. Things do not look right, polyps are retracted etc.. I do ICP pour in the magic potion and WOW few days later things look better. I am always adjusting from low level back to 0.065. I don’t get but it works maybe a placebo but things look better.
I don’t know of a chemical that organisms need that isn’t taken inside of them, but they need not actually retain it. An adult human, for example, needs quite a few dietary components which do not accumulate. They are at a steady state.
I’m certainly open to the idea that some corals benefit from iodine. I just did not observe it myself. What did you dose and what looks better?