Probiotic supplements that help in the digestion of food and absorption of nutrients. Beta - glucans supplements that increase disease resistance and improves growth and performance in fish. Non - water fouling flavor (s) and size (s) spirulina 12 percent: Small pellet: 907. 2 G. (2 Lb), 453. 6 G. (1 Lb), medium pellet: 907. 2 G. (2 Lb) spirulina 6 percent: Mini pellet: 100 g, small pellet: 907. 2 G. (2 Lb), 453. 6 G. (1 Lb), medium pellet: 907. 2 G. (2 Lb).