Packaging Specification: 500gx 2 (Net Pack) Uses: Freshwater, Saltwater, and Grass Nitrate Culture Product Features product: bacteria play at high efficiency in the filter. The pore structure can be a good breeding ground for nitrifying bacteria, creating good quality water and reducing the frequency of water changes. The large surface area of these activated carbons allows beneficial bacteria to colonize and biologically filter your aquarium water - removing ammonia and nitrites. These activated carbons are packaged in a zippered mesh filter bag for easy cleaning inside the filtered. Alternatively, they can be removed from the media bag and placed loosely in the filter. Our filter rings are ideal biological filter media for aquarium and pond filters. The large surface area of these activated carbons allows beneficial bacteria to colonize and biofilter your aquarium water - removing ammonia and nitrites. NOTE: It will be sent in two bags in 500g mesh which means each media bag will
