ReefDose Deluxe 4-Color Tube Kit - Red Sea new coral Iodine (as the iodide ion)

Iodine (as the iodide ion) essentially bonds with oxygen to form non-toxic iodate

Furthermore

Magnesium: 1300-1400 ppm

If you are adding Kalk to your ATO reservoir or a reactor

ReefDose Deluxe 4-Color Tube Kit - Red Sea new coral Iodine (as the iodide ion)Everything required to connect a dosing pump in one convenient kit. Available in 2 color version (blue green and red yellow), providing 8 unique colors for easily identifying a full range of supplements from container to dosing tip. Each kit contains: Air resistant TPE colored tubes 12m 40' tubes (4 colors 3m 10' each) Tube holder with 4 quick connect tips Snap open tube organizer (3 units)