Promote growth ,enhance color and increase immunity formular Spirulina 6 % : Suitable for all carp fish to enhance the coloration of fish Spirulina 12 % : Suitable for all carp fish to rapid enhance the coloration of fish Is a special formulation for carp, gold fish and cichlid. It is nutritionally complete and balanced. Probiotic supplements that help in the digestion of food and absorption of nutrients. Beta - glucans supplements that increase disase resistance and improves growth and performance in fish. Non - Water fouling Flavor(s) and Size(s) Spirulina 12 % : Small pellet : 907.2 g. ( 2 Lb), 453.6 g. ( 1 Lb ) , Medium pellet : 907.2 g. ( 2 Lb ) Spirulina 6 % : Mini Pellet : 100 g , Small pellet : 907.2 g. ( 2 Lb) , 453.6 g. ( 1 Lb ), Medium pellet : 907.2 g. ( 2 Lb )