AQUATOP's 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.
FEATURES:
Available in 3 sizes: 14oz, 28oz & 64oz
Biological filtration media that promotes beneficial bacteria growth
Improved shape increases internal and external surface area for beneficial bacteria to thrive
Made of long lasting, highly porous quartz material
Aids in the breakdown and removal of harmful ammonia and nitrite
Includes reusable Mesh Bag
Suitable for both freshwater and saltwater filters
Great for both freshwater & saltwater use