Microbe-Lift Legacy Koi & Goldfish Summer Staple Food is exactly what you need when the weather begins to warm! Primary food Floating food with added color enhancers animal proteins and stabilized vitamin C For feeding three days per week Will not cloud water The added color enhancers are made up of astaxanthin (crab shell) spirulina and krill—all which promote brilliant color development Ethoxyquin added as preservative @ 150 ppm As the warmer weather sets in begin increasing the frequency and quantity of your feeding. The Summer Staple Food has animal protein and color enhancers that are needed during this season. The added color enhancers are made up of astaxanthin (crab shell) spirulina and krill which all promote brilliant color development.