Cycle 16 oz

Concentrated bacterial additive boosts the nitrogen cycleEstablishes new aquariums and supplements biological filtrationMaintains healthy aquarium environment Cycle?Concentrated formula boosts the nitrogen cycle to establish new aquariums faster and supplements biological filtration for a healthy aquarium environment. Concentrated bacterial formulation rapidly matures new aquariums. Carefully selected strains of beneficial bacteria, including Nitrosomonas and Nitrobacter, actively reduce both ammonia and nitrite to prevent fish loss. Also enhances existing biological filters for optimum filter performance to achieve ideal water quality, naturally.Unique processing method keeps bacteria in a dormant state until it comes in contact with ammonia or nitrite to ensure effectiveness even after extended periods of bottled storage. Minimum shelf life of three years is guaranteed. Cycle is non-pathogenic and will not harm plants, animals, or humans. It is impossible to overdose. Use Cycle in established aquariums after: water changes, medication, introducing new fish, and replacing filter media to maintain a healthy aquarium system. For fresh or saltwater aquariums. Up to 47 doses per 8 oz bottle. 8 fl oz treats 470 gallons, 16 fl oz treats 972 gallons.Please click on "More Information" for instructions and general information.