Microbe-Lift NiteOut Starter Bacteria is a high-quality bacterial supplement designed to accelerate the biological filtration process in both freshwater and saltwater aquariums. This specially formulated product contains live, nitrifying bacteria that help establish and maintain the nitrogen cycle, breaking down harmful ammonia and nitrites into safer, less toxic compounds. Ideal for new aquarium setups, or when dealing with ammonia spikes or imbalances, NiteOut helps promote a stable, healthy environment for your aquatic life.