It is a key ingredient to the success of most macroalgaes and soft corals, especially xenia and various mushrooms. Iodine is found in natural seawater at about 65ppb. Vitamins and steroid formulas are beneficial to fish and invertebrates but must be added with care. Too much of this type of additives can very quickly cause unwanted algal blooms. Test is free of interference and independent of redox value.
Color remains stable for days.
Contains, unlike some other iodine tests, no carcinogenic substances. In fact, none of these test kits contain them. Many tanks have highly deviating boron concentration. Too low is unfavorable for coral growth and too high can be toxic to many bacteria and corals. No messy and unreliable filtration, no calcium and strontium interference.