Fluval Cycle Biological Enhancer - 4oz
Fluval Biological Enhancer goes to work fast, releasing massive amounts of beneficial bacteria that eliminate toxic ammonia and nitrite to establish a biologically-balanced aquarium.

• All-natural water care – creates a safe biological habitat to prevent fish loss
• Infused with a powerful team of beneficial bacteria that immediately inoculates aquarium water
• Extremely effective when setting up a new aquarium or introducing new fish to an existing one
• Equally useful during water changes and filter media changes, when good bacteria is depleted
• Regular application helps to completely exclude establishment of undesirable bacteria
• Eliminates ammonia and nitrite
• Bio-Floc technology ensures product stability and efficacy, devoid of any contaminants
• For use in freshwater and saltwater aquariums