Cobalt Aquatics has worked hard to bring you the ultimate solution to daily feeding of your worm-loving carnivorous tropical fish with Ultra Worm Medley Flakes. This flake food has been formulated with an equal mix of blackworm, bloodworm and earthworm ingredients as the basic ingredients, all delicious sources of high nutritional value. These flakes have also been enhanced with astaxanthin, paprika and garlic, ingredients which enhance the palatability and color-enhancing qualities of this food. Ultra flakes additionally feature Cobalt's base formula (an excellent source of probiotics), new prebiotic fibers, and the special Cobalt BLUE flake, which helps to cultivate healthy digestive and immune systems. Scientific advancements in nutrition have shown the value of probiotics, and the use of these in combination with the excellent nutritional value of Cobalt's worm blend makes this an excellent daily flake food for your favorite tropical fish. To top it off, this formula does not cloud water or dissolve into needless waste!