Fluval Spec/Flex BioMax.  Specifically designed for the Spec, Evo and Flex aquariums, BIOMAX media provides an optimal environment for the colonization and growth of beneficial bacteria.

Stage 3 Biological filtration. Provides optimal colonization of beneficial bacteria, and enhances the reduction of fish wastes, resulting in a healthier aquarium environment.

Features:

• Biological filter media
• Complex pore system provides larger surface area for beneficial bacteria growth
• Helps reduce and control toxic ammonia and nitrite
• Convenient mesh bag for quick and easy maintenance
• Rinse monthly with aquarium water for optimal performance
• Replace every 3 months
• For use in freshwater and saltwater aquariums:

60g