Hydor Sintered Quartz Bio-Rings Filter Media – For Optimal Biological Filtration of Fresh, Marine Water Aquariums – pH Neutral, High Water Flow, Universal – Produces Crystal Clear Water – 400 GM

Hydor Sintered Quartz Bio-Rings Filter Media – For Optimal Biological Filtration of Fresh, Marine Water Aquariums – pH Neutral, High Water Flow, Universal – Produces Crystal Clear Water – 400 GM

• HIGH-QUALITY CONSTRUCTION: This 400 GM Hydor Sintered Quartz Bio-rings Filter Media is made with high-temperature sintering of inert quartz and ideal for optimal biological filtration of fresh water and marine water aquariums.
• pH NEUTRAL: Simplify how you filter water with this sintered quartz bio-rings filter media that leaves the pH unaltered and develops growth of bacterial colonies.
• HARM-FREE FILTER MEDIA: This 400 GM sintered quartz bio-rings filter media does not release heavy metals, phosphates and substances that can be harmful to marine life.
• HIGH-WATER FLOW: Ensure that the aquatic world is immersed in crystal clear water with this filter media featuring high water flow and a premium biological balance.
• SPECIALIZED SERVICE: With more than 30 years of experience offering high-quality products for the passionate marine aquarist, Hydor is dedicated to manufacturing unique and innovative items in the field of aquarium technology.