As the warmer weather sets in, begin increasing the frequency and quantity of your feedings. MICROBE-LIFT/LEGACY 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-all which promote brilliant color development. Primary Food. Floating Pellets with added color enhancers. Feed 3 days per week. Contains Stabilized Vitamin C. Will Not Cloud Water.