Microbe-Lift Special Blend Aquarium BacteriaA complete Eco-system in a bottle. Dramatically reduces the need for cleaning and water changes. The chemical free formula is ideal for both salt and freshwater fish. Works as a new tank starter for biological cycling and boosting as well as a biological maintainer for established tanks. It is an organic waste degrader that naturally stimulates plant growth. Removes odors and clears cloudy water. Breaks down residue on gravel, plants and rocks. Bacteria is compatible with biological filters and UV lights. Microbe-Lift works well with activated carbon and is compatible with copper based products.