Tropic Marin REEF ACTIF is a powerful nutrient and adsorber that plays a vital role in maintaining the health and beauty of corals and reef clams in saltwater aquariums. It creates a vital connection between inorganic nutrients and your aquarium's biological ecosystem, transforming contaminants into a food source for beneficial bacteria. This gradual, controlled breakdown of organic material ensures a safe, oxygen-rich environment for your marine life, promoting vibrant coloration and long-term vitality in corals and clams. By supplying essential nutrients and reducing pollutants, REEF ACTIF helps to create a balanced, thriving reef system.