Microbe-Lift NiteOutII for Home Aquariums Manufactured By Ecological Labs Made In The United States Designed and made with the highest standards in aquatic performance in mind Chemical Free Removes Organic Waste, Ammonia And Nitrate For Clear, Clean, Nontoxic AquariumDecreases Ammonia And Nitrite ToxicityCycles A Tank Instantly When Used With Microbe-Lift Special BlendProvides The Necessary Nitrifying Bacteria Required For The Bio Chemical free Removes organic waste, ammonia and nitrate for clear, clean, nontoxic aquarium Decreases ammonia and nitrite toxicity Cycles a tank instantly when used with Microbe-Lift Special Blend Provides the necessary nitrifying bacteria required for the biological nitrification process, and assures the continued removal of toxic ammonia