HydroMaxx Bio Balls - Bio Filter Media for Aquariums or Ponds - 25 lbs - Approx. QTY 2000

Bio Balls optimize biological filtration in your pond or aquarium system by providing bacteria beneficial to the eco-system surface areas on which to grow and colonize. Our Bioballs are black and are manufactured of non-toxic, high density polyethylene. This allows us to ensure that our bio balls are sturdy and the pins will not be brittle and break off like some of the cheaper made products out there that use lower grade materials. Place them in your wet/dry filters to improve biological filtration (the...