Algae Discs Premium Fish Food For All Herbivore , Algae Eaters And Other Tropical Fish 4 Oz. by Simply Green . Simply Green Algae Discs is a complete and well balanced, sinking diet for aquatic herbivores such as Plecos and Algae-Eaters. The highly digestible ingredients come from an array of plant sources plus several marine products to increase palatability, digestibility and coloration. Wheat Germ, high levels of stable Vitamin C, and Brewers Yeast are included to promote healthy gill, fin and tissue development. Plus this diet has been formulated to reduce waste and increase water clarity. They can be left in the tank until all eaten up, they do not cloud the water unlike other brands.  Product Specifications Particle Shape: Disc Packaging: 4 Oz. (113g) bag Features & Benefits • Increased water clarity and reduced waste • Stable and bioavailable vitamins and minerals • Sustainable ingredient sources from food industries and fisheries