Red Ceramic Rings

Pro Active Burnt Ceramic Rings are capable of supporting large populations of water purifying bacteria. The multitude of tiny pores can support these colonies of beneficial bacteria. An ideal biological filter media that will make the most of any filter system due to its huge capacity to support the organisms responsible for metabolizing ammonia and nitrite. Fired by high temperature so as to encourage the growth of nitrifying bacteria. Anti corrosion and provide water of the premium quality for your fish tank. Brownish red color.