Instantly starts the aquarium cycle for immediate fish introduction
Converts toxic ammonia to nitrite and then to nitrate for safe water conditions
Supports healthy biological filtration in both freshwater and saltwater tanks
Easy to use for new aquariums after water or filter changes
Helps maintain a stable and active biological filter in established tanks
Summarized by Shop
API Quick Start Nitrifying Bacteria
API Quick Start nitrifying bacteria allows for the instant addition of fish, as it immediately starts the natural aquarium cycle with beneficial bacteria, which converts toxic ammonia into nitrite, then into harmless nitrate to help prevent fish loss in your tank. Best for use when starting a new aqu