Aqueon Color Enhancing Goldfish Granules Contains a unique blend of natural astaxanthin and spirulina which helps to promote brilliant colors in fish Formulated with natural ingredients and colors with added vitamins, minerals and trace nutrients for a healthy diet Helps support a healthy immune system and bring out the true colors of your fish Specially formulated so that fish utilize more of what they eat, creating less waste Feed in small amounts that fish will consume in under 2 minutes