Setting up a brand-new tank and itching to add your fish? API Quick Start is built for exactly that moment. This single 16 fl oz bottle gives you a generous pour for treating your freshwater or saltwater aquarium, so your finned friends have a safer home from the very first day. Instead of waiting weeks for a fresh tank to find its footing, you get to move things along and watch your fish settle in sooner. It takes the nerve-wracking guesswork out of starting fresh water right.Key Benefits Features a unique nitrifying bacteria that consumes ammonia and nitrite, the two troublemakers behind new tank syndrome. Allows for the immediate addition of fish to a new aquarium, so you do not have to wait on the sidelines while the tank slowly settles. Works in both freshwater and saltwater tanks, making it a flexible pick no matter what kind of fish you keep at home. By limiting the amount of toxic ammonia and nitrite, API says Quick Start helps keep your fish healthy and alive. This 16 fl oz size is the larger single bottle, ideal for bigger tanks or owners who treat their water often. Pours straight into the aquarium with no fuss, perfect for the moment you finish filling the tank with fresh water. A smart companion for routine water changes, helping support the beneficial bacteria your tank relies on every week. Designed for hobbyists of every level, from first-time fishkeepers to seasoned aquarists who have kept tanks for years. Helps you skip the long, anxious cycling wait that usually comes with a freshly filled tank. One bottle keeps you stocked for multiple treatments, so it is ready whenever you start a new tank or refresh an old one. Starting a new aquarium should feel exciting, not stressful, and Quick Start is here to smooth the way for you and your fish. Reach for this 16 fl oz bottle when you fill a fresh tank or top off after a water change, and give your fish a steadier, safer place to settle in. It is the easy first step toward an aquarium that you and your fish can both enjoy for the long haul, without the worry that hangs over a brand-new setup.