Thera Plus pellets are a fantastic daily nutrient for a wide variety vibrant and exotic fish species in both freshwater and saltwater environments. This mixture is perfect for inhabitants that need an extra boost of beneficial nutrients such as Allicin (garlic), after injury or sickness, giving birth or introducing new fish to an aquarium. The specialized blend of nutrients such as vegetable extracts, Antarctic Krill, spirulina and many other beneficial ingredients allow for improved immunity, better digestion and an increase in the beauty and vibrancy of their natural colors. The nutrient rich, sinking pellets will not disintegrate and cause cloudiness or pollution within your tank. Contains no artificial colors, flavors or preservatives.