Maxspect Nano-Tech Bio-Spheres are made with inert ceramic materials. Added ingredients provide different characteristics, and fire cured above 2300°F, resulting in a very strong and stable bio-media that lasts for years.

• Ceramic base, infused with beneficial minerals including Calcium, Magnesium, Potassium, Iron, Boron and Zinc
• Helps replenish water with above mentioned minerals, which is essential for many freshwater fish such as Discus
• Stimulates growth of nitrifying bacteria colonies and improves water clarity

Recommended for freshwater aquariums only