Fluval – Cycle Biological Enhancer 16.9oz

Fluval Biological Enhancer is a beneficial bacteria supplement that helps improve the overall health of your aquarium. The bacteria helps break down fish waste and debris that would otherwise turn into toxic ammmonia and nitrite. Great to use in many applications, including setting up a new tank, after water changes, during times of heavy bio-load, or as a regular maintenance dosage.

Bacterialsuspension.