The Sera Koi Professional Spirulina Color Pet Food is a high-quality, nutrient-packed diet that is perfect for any pet owner who wants to keep their fish healthy and happy. Made with a blend of vegetables and fruits, this food is easy on the digestive system and provides essential nutrients to help your fish grow and maintain a healthy weight. The food can be fed throughout the year, if the temperature is above 46 degrees Fahrenheit, and should be stored in a cool place until it reaches room temperature.