Optimum Flakes - 45 g The New Life Spectrum Optimum Flakes are rich in essential proteins and nutrients that help to boost the immune system of your fish as well as noticeably enhance their bright, beautiful colors. These flakes fall in line with the Spectrum Nutrition Formula with ingredients such as antarctic krill, spirulina, garlic to provide a natural, delicious flavor for your fish to enjoy. The New Life Spectrum Optimum Flakes are suitable for freshwater and saltwater tanks and are ideal for small or top feeding fish. Comes in a 45 gram container.