Red Sea Trace Colors A Iodine is a concentrated solution designed to maintain and enhance the natural iodine levels in saltwater aquariums. This product plays a vital role in supporting marine life, particularly corals, by providing essential trace elements necessary for their health and growth. Each milliliter of the solution can raise the iodine level of 100 liters (25 gallons) by 0.03 ppm, ensuring precise dosing and accurate supplementation without overloading the aquarium with excess minerals. The product is manufactured by Red Sea, a reputable name in marine science and reef care, offering peace of mind to aquarists seeking reliable solutions for their aquatic ecosystems.