Support beautiful and healthy discus with nutrition they crave. New Life Spectrum Discus Formula Sinking Pellets are specially formulated with premium ingredients and natural color-enhancers to support overall discus health, boost immune system function AND to bring out the full spectrum of your fish's color. Antarctic krill meal is the first ingredient to ensure a high quality and easily digestible marine protein source important for proper fish growth. Contains no added hormones. For best results, feed New Life Spectrum Discus Formula Sinking Pellets exclusively. 1 mm sinking pellets.