API Quick Start Aquarium Cycler Size:16oz the Ultra Ball lasts longer

the Ultra Ball lasts longer than ordinary tennis balls

Reptile behavior is directly tied to photoperiod (light cycle)

Great for households with multiple cats

Fear-free ear care

Tetra brand offers a variety of pond nutrition to meet any need

API Quick Start Aquarium Cycler Size:16oz the Ultra Ball lasts longerIn a new aquarium, harmful ammonia and nitrite build up from fish waste, often resulting in fish loss or new tank syndrome . The unique, patented nitrifying bacteria in API QUICK START Freshwater and Saltwater Aquarium Nitrifying Bacteria are scientifically proven to quickly consume ammonia and nitrite to help prevent fish loss. API QUICK START Freshwater and Saltwater Aquarium Nitrifying Bacteria allows immediate addition of fish to a new freshwater