• Made from natural silicate.
• Pore diameter ranges from 60 to 300 microns.
• No toxins - harmless to aquatic species.
• Provides a very large surface area compared to ordinary bio-rings.
• Suitable for both aerobic nitrifying bacteria and anaerobic denitrifying bacteria.
• Suitable for freshwater and saltwater applications.
We strongly recommend that bio-glass is used together with mechanical filtration.
