500 Pieces Bio Filter Balls Black Bio Balls for Aquarium Filter Pond Filter 1.02 Inch Internal Bioballs Filter Media with 5 Pieces Aquarium Filter Media Bags Mesh Bags with Zipper for Fish Tank Pond
- ...e porous can divide the flow evenly, slow down the flow of water so that the nitrifying unclean items can better absorb and multiply, and further enhance the filtering efficiency.
- Long Time Service: our bio ball is composed of high density plastic, lightweight but sturdy enough to keep its shape and does not easy to degrade or wear away.
- The spherical shape and pore position allow it to compress tightly, the porous design is not easily blocked, which can serve you for a long time.
- Where to Use: our bio balls filter media can be applied in many occasions, ideal for filter, such as koi and water garden ponds, freshwater fish tanks, salt water aquariums, fish and vegetable symbiosis, fish hatcheries and more.