API Quick Start 946ml API Quick Start 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 aquarium, after water changes and filter changes, and when adding new fish to an existing aquarium. API Quick Start may be used in both fresh and saltwater aquariums. • Contains Nitrifying bacteria • Converts toxic ammonia into nitrites then nitrates •  Allows immediate addition of fish to a new freshwater or saltwater aquarium DIRECTIONS FOR USE: Add 10 ml per 10 gallons of aquarium water. For saltwater aquariums, double the dose. .