Originally Posted by LKemp712
Dosing iodine? What levels? I just started a coral tank and was contemplating calcium and magnesium to start.
Get test kits and make sure you actually need these things before adding them. I have seen more tanks go south than I care to remember dosing things blindly.
I don't understand why people think iodine is used more than anything else, meanwhile it's not even a major contender in sea water. Why aren't people tossing in potassium? I'm betting that's used as well.
Here's a link to the breakdown of sea water-
What is Seawater? by Randy Holmes-Farley - Reefkeeping.com
Remember, adding things that aren't getting used up on a regular basis will cause an abundance of this element, and most likely will end up causing a problem.