Bio Filter Ring Aquarium Filter Ring Biochemical Bacteria House Fish Tank Pond Bio Filter Ceramic Bio Ring Aquarium Fish Tank Filter Media 500g Fish tank and fish pond specialized filter material Nitrifying bacteria House culture bacteria Ceramic ring

Remove impurities and toxinsReduces algae growthSimple to use and installEasy to replace and does not require special handlingRemoves a wide range of organic compounds from the waterHelps in maintaining clear and visually appealing water.How to useBefore use, rinse carbon for 15-20 minutes. Once rinsed you can put inside aquairum. Dont worry if the water turn black, it will settle down in 2-3 days. How long activated carbon can be useIts depends on water quality. If you take good care of you aquarium water, activated carbon can be use up to 9 months-1 year. If water quality not good, need to change after 6 months.Recommendation 2ft-4ft : 3-4kg6ft-8ft : 6-8 kg ​What you will get Activated carbon with mesh bag