12G Nano Cube with zoos, candy cane, few ricordea mushrooms, debating whether to get sapphire protein skimmer, Don't have any water yet. New tank setup this month. Protein skimming will depleted Iodine and other trace elements that is disadvantage, this means I will have dose supplementsbut adding skimmer, my water quality will be better, so I'm not if I should get a skimmer?