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, combined with special ingredient made with a combination of minerals that release negative ions
• Negative ions help with neutralising water and maintaining pH between 7.0-7.2
• Stimulates growth of nitrifying bacteria colonies and improves water clarity

Recommended for freshwater aquariums only