Nutrafin Cycle Biological Aquarium Supplement features a high-concentration formula that immediately establishes a safe biological aquarium environment. Cycle goes to work fast, releasing massive amounts of beneficial bacteria that eliminate toxic ammonia and nitrites and creating a biologically well-balanced aquarium for healthy fish to thrive. Cycle is an all-natural product that will not harm plants, animals or humans. It does not require refrigeration. For fresh and saltwater use. Size : 120mL (4 fl oz)
Clairfying
Immediately establishes a safe biological environment for freshwater and saltwater fish aquariums.
Eliminates toxic ammonia and nitrites that can be harmful to aquarium fish.
Suitable for use in freshwater and marine fish tanks.
Contains beneficial bacteria to support a healthy biological balance for tropical and saltwater fish.
All-natural formula that is safe for aquarium plants, fish, invertebrates, and humans when used as directed.
Ideal for new aquarium setups and after water changes to help maintain a healthy environment for freshwater and saltwater fish.