QUICK START
 
 API QUICK START Nitrifying Bacteria allow for instant addition of fish as it immediately starts the aquarium's natural cycle with beneficial bacteria, converting toxic ammonia to nitrite and then to harmless nitrate to help prevent fish loss in your tank . Best to use when starting a new aquarium, after water changes and filter changes, and when adding new fish to an existing aquarium. API QUICK START Nitrifying Bacteria can be used in both freshwater and saltwater aquariums. sizes 1 oz., 4 oz., 8 oz., 16 oz., 32 oz.