Spirulina pellets are recommended as a completely nutritious diet for algae feedingtropicals and as a supplemental source of spirulina for all ornamental species. Especially relished by bottom feeders such as plecos & ancistrus. Made in USA! Highly palatable and digestible for improved acceptance and performance Formulated as a completely balanced diet which provides optimum growth andhealth Contains high quality spirulina to bring about brilliant colors Contains proteinated trace minerals for higher stability, biological availability and overall fish health Excellent water stability, will not cloud water Contains extra levels of preservative and antioxidants for a longer shelf life Ingredients: Dehulled Soybean Meal, Fish Meal, Corn Gluten Meal, Wheat Flour, Dehydrated Alfalfa Meal, Fish Oil, Grain Distillers Dried Yeast, Algae Meal-Dried (Spirulina), Soy Lecithin, Shrimp Meal, Monosodium Phosphate, Krill Meal, Calcium Propionate (Preservative), Choline Chloride, L-Ascorbyl-2-Polyphosphate (source of Vitamin C), Manganese Sulfate, Zinc Sulfate, Copper Sulfate, Ethylenediamine Dihydriodide, Vitamin A Acetate, Vitamin D3 Supplement, dl-Alpha Tocopheryl Acetate (Vitamin E Supplement), Vitamin B12 Supplement, Riboflavin-5-Phosphate, Niacin, d-Calcium Pantothenate, Menadione Sodium Bisulfite Complex (source of Vitamin K Activity), Folic Acid, Thiamine Mononitrate, Pyridoxine Hydrochloride, Biotin. Guaranteed Analysis: Crude Protein 43.0% Min., Crude Fat 9.0% Min., Crude Fiber 5.0% Max., Moisture 10.0% Max., Phosphorus 1.4% Min. The sizes with Jar after the weight come in a jar. The bulk box comes in one bulk bag in the box. All other sizes come in a FDA approved resealable poly nylon bags that keep you food fresh. When you buy the 1 lb. size you will receive two bags with 1/2 lb. of food in each. When you buy the 5 lb. size you will receive 10 bags with 1/2 lb. of food in each. This allows you to open them up as you need them instead of one big bag that will go stale.