Aquarium Bio Filter Media Rings Balls s Bulk Blocks with Mesh Bag for Fish Tank Sump Pond Water Cleaning

Product Description:[M01]Ceramic Filter Rings; appr. 20x20mm( L x D) / pc; Weight: appr. 5-7 g / pc.[M02]White Minerals Rings; appr. 20x20mm( L x D) / pc; Weight: appr. 5-7 g / pc.[M03]Red Minerals Rings; appr. 20x20mm( L x D) / pc; Weight: appr. 5-7 g / pc.[M04]Bacteria Rings; appr. 20x25mm( L x D) / pc; Weight: appr. 5-7 g / pc.[M05]Quartz Hollow Culture balls; Diameter: appr. 10-13mm / pc; Weight: appr. 1-3 g / pc.[M06]Bacteria Balls; Diameter: appr. 20-30mm / pc; Weight: appr. 5-7 g / pc.[M07] s; Weight: appr. 3-6 g / pc.[M08]Ammonia s; Weight: appr. 1-3 g / pc.[M09]Volcanic Rocks; Weight: appr. 3-7 g / pc.[M10]Activated Carbon; Weight: appr. 0.3-0.5 g / pc.[M11]10in1 Mixed[Size]Sold by weight with free Mesh Bag. Uneven size.[Material]Ceramic + s + Activated Carbon[Usage]It can be used for all biological internal filters, external filters, drop purification filtration syst and garden pond filters.[Feature]Rapid water purification; microporous structure; rapid bacteria culture; good adsorption; stable PH value; good water permeability.[Note]1.After transportation, the bio filter media may have ceramic dust on surface. Please understand it. 2.The new bio filter should be washed with fresh water before usage . 3.After using in fish tank , if the bio filter need to be washed , wash it with aquarium water , do not use tap or boiled water.[Contact us]When you have any question, please feel free to contact us. We believe everything can be solved by communication and we will make efforts to help deal with your probl.