The Exo Terra Water Conditioner and Odor Control Biological Turtle Habitat Cleaner is a biological water conditioner formulated for turtle tanks. It contains beneficial bacteria that break down waste and reduce odors, helping to keep aquarium water clean and clear longer. Regular use of Turtle Clean helps establish and maintain the tank’s nitrifying bacteria colonies, reducing ammonia and nitrite levels for a healthier aquatic environment. Ideal for use in combination with mechanical filtration to improve water quality in turtle or amphibian habitats. Available in Multiple Sizes