Boyu Bio Ceramic System CR-500

BOYU BIO CERAMIC SYSTEM CR-500 (6924781200968)Use to the leach, can celerity planting the NITROBAERIA, don't back up and leach have batter effect of leaching, in too-case and level off water, boot up the antivirus power off water, add more oxygen to it , and it can even increase the efficiency of filtrations. 
1.Suitable for fresh water- salt water fish tank. 2.To fully exert biological filtration capacity of law porous filter ring. 3.This product is mix made of the softy active carbon and ceramic. 4.Chemically stable- fully in line with the original micro-organisms living chemical environment. 5.High permeability- which can be aerobic nitrification and anaerobic  denitrification- to make the water more stable- is the best biological filter material.  Maerial Active carbon and ceramic  Color  White Weight  about 500g in one bag Outer Diameter  1.2cm/0.47inch Inside Diameter  0.4cm/0.16inch Height  1.1cm/0.43inch Packing  BOYU CR-500 Aquarium Bio Ceramic Ring Box