Help your sidekicks start swimming right away with Lifegard Aquatics Live Nitrifying Fish Aquarium Bacteria. And you can protect your underwater pals with Lifegard Aquatics AquaMesh Fish Aquarium Filter Media. Introduce them to their new home with this beneficial aquarium bacteria that’s crafted to help eliminate ammonia and nitrite to keep your finned friends feeling happy and healthy. It is concentrated to treat twice as much water as a diluted formula and is designed to seed and enhance your biological filter while being safe for all freshwater fish and plants. Then safeguard your swimming sidekicks with this filter media that’s crafted to easily remove debris from your pal’s pond. Using a flexible mesh with four different stages of density, this non-toxic EVA aquarium filter media can be cut to fit just about any filter to keep your finned friends feeling fine for a long time to come.