Browse
Fluval Cycle Biological Enhancer - Available In 4 Sizes

Fluval Cycle Biological Enhancer - Available In 4 Sizes

Prices updated 17 Mar 2026

No offers available

Price data is refreshed daily. Check back soon.

Product Description

Fluval Cycle Biological Enhancer. Features. 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. Label Info. 4 fl oz / 120 ml bottle treats aquarium up to 240 US Gal / 908 L. 8.4 fl oz / 250 ml bottle treats aquariums up to 500 US Gal / 1892 L. 16.9 fl oz / 500 ml bottle treats aquarium up to 1000 US Gal / 3785 L