AquaTop ATP Media Prem Quartz Rings64Z

Aquatop Forza premium quartz rings provide a massive surface area for the intensive colonization of beneficial bacteria to grow. Made from sintered (heated and compressed) inert quartz, beneficial bacteria grow and colonize in the pores of the quartz rings which helps to eliminate harmful ammonia and nitrite levels in your aquarium water. Suitable for both freshwater and saltwater filters.