New Life Spectrum Thera A Sinking Pellets boasts superior ingredients including high-quality marine protein from Antarctic krill meal and herring meal. Added Vitamins A, D & E support overall fish health while all-natural color-enhancing ingredients bring out the full spectrum of your fish's color. New Life Spectrum Thera+ A Sinking Pellets is for all types of freshwater and marine species including omnivores, herbivores and carnivores. Contains no added hormones. For best results, feed New Life Spectrum exclusively. Available in 1mm and 3mm sinking pellets. For freshwater and saltwater aquarium fish.