What brands do you use for additives?

I'd drop the Lugol's solution, even if I wanted to dose iodine. The elemental iodine in Lugol's can be an issue. I stopped dosing iodine and never noticed a difference, in any case.
 
I will drop the iodine in the reef tank since I was using it hoping it help the color come back on the leather coral ( I believe its said to help with bringing out color). I also use it very very lightly in a tank setup(15 x 30g tanks) with a few fish, but mainly anemones, and lots of snails, crabs, feather dusters (seperate system then the one listed above). Would it be best to continue using it in that system or best to also stop using it in there? Also, how quickly does the lugol's solution naturally deplete in the tank. I have a skimmer running. I believe the concensus is that lugol/iodine is taken out of the tank very quickly by protein skimmers but I may be wrong, but was curious as to how fast corals/inverts will deplete it hypothetically without a skimmer running.
Looking forward to comments/suggestions
 
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