Oceanic 82053 BioCube Protein Skimmer rat bait station Improvements are seen within 2 Improvements are seen within 2 weeks of use Ingredients: Wheat Flour Chicken Meal Ground Rice Water Corn Syrup Glycerin Tuna Ocean Fish Calcium Sulfate Dried Egg Product Brewers Dried Yeast Animal Fat Preserved With Mixed Tocopherols Animal Digest Chicken Liver Dried Cheese Product Phosphoric Acid Salt Titanium Dioxide (Colour) Sorbic Acid Potassium Chloride Red 40 Red Iron Oxide (Colour) Blue 1 Bht Bha Citric Acid Rosemary Extract Guaranteed Analysis: Crude Protein (min Quietly and efficiently removes harmful organics from saltwater environments Fits conveniently into built in filtration system in the back of the biocube aquarium