Fluval Bio-FX Biological Media 5L Thermometers 50 mm) is ideally suited

50 mm) is ideally suited to reef inhabitants and it's chemical composition will assist in stabilizing calcium and alkalinity while preventing large pH declines

• Improves the animal’s perception of its environment

For use with lamps up to 160 watts

Will not adversely affect the biological filter

The Exo Terra Skull hides are extremely realistic and add an exiting accent to any type of terrarium

Fluval Bio-FX Biological Media 5L Thermometers 50 mm) is ideally suitedFluval Bio FX is a premium biological media designed for use with canister filters and sumps of all sizes, in both fresh and marine aquariums. Featuring a deep pore structure with interconnected micro tunnels, Fluval Bio FX offers a vast surface area where billions of beneficial nitrifying bacteria can thrive. The three dimensional linked cavities permit water to flow freely through the Bio FX nodes, discouraging blockages while prolonging contact