Fluval Biological Enhancer Aquarium Supplement, 67 oz (2.1 qt) Bags Plastic Fits most sizes

Fits most sizes

or cuddling

Perfect for cleanup projects

Bird & Small Animal Supplement helps put an end to that

Kills reinfesting fleas within 2 hours

Fluval Biological Enhancer Aquarium Supplement, 67 oz (2.1 qt) Bags Plastic Fits most sizesFluval Biological Enhancer Aquarium Supplement is a fast acting, powerful army of beneficial bacteria that immediately inoculates aquarium water to create a safe environment for your fish. This all natural product eliminated toxic ammonia and nitrites to maintain a well balanced environment and prevent fish loss. Prevents fish loss Establishes a safe aquarium environment Eliminates ammonia and nitrite Safe for fresh and saltwater Fluval Biological