Ken's Ultra Goldfish Flake is a complete and nutritionally balanced diet formulated to meet the requirements for goldfish and koi. The diet uses high quality marine protein sources to increase palatability and digestibility, and thus minimize excreted waste. Increased levels of Stable Vitamin C and Brewers Yeast are included in the diet to promote healthy gill, fin, and tissue development. Ingredients: Fish Meal, Wheat Flour, Soy Flour, Shrimp Meal, Grain Distillers Dried Yeast, Sodium Alginate, Soy Lecithin, Choline Chloride, Emulsifier, Sorbitol, Spirulina, Red 7 Lake, Yellow 5 Lake, Yeast Extract, Anise Oil, L-Ascorbyl-2-Polyphosphate (source of Vitamin C), Canthaxanthin, Ethoxyquin (Preservative), TBHQ (preservative), Manganese Proteinate, Zinc Proteinate, Copper Proteinate, Calcium Iodate, Iron Proteinate, Cobalt Proteinate, Calcium Carbonate, Sodium Selenite, Vitamin A Acetate, Vitamin D3 Supplement, dl-Alpha Tocopheryl Acetate (Vitamin E Supplement), Vitamin B12 Supplement, Riboflavin, Niacin, Calcium Pantothenate, Menadione Sodium Bisulfite Complex (source of Vitamin K Activity), Folic Acid, Thiamine Mononitrate, Pyridoxine Hydrochloride, Biotin. Guaranteed Analysis: Min. Protein 42.0%, Min. Crude Fat 5.0%, Max Crude Fiber 3.0%, Max Moisture 10.0% The sizes with bucket after them all come in a bucket. 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. All of our bags are FDA approved resealable poly nylon bags that keep you food fresh. Feed as the sole diet 3-4 times daily. No supplementation is necessary for healthy fish.• Feed as much as the fish will consume in three (3) minutes of feeding.• Store in cool, dry place away from sunlight. Maintains nutritive value and shelf life up to one (1) year if properly stored andhandled. Frozen storage extends shelf life beyond one (1) year.