Icecap Bio-Sphere and Media tower Bundle

IceCap's Bio-Sphere is a dense arrangement of small ceramic spheres in a durable and compact one-and-a-quarter-inch ball capable of providing biological filtration up to 18 gallons each. The media's ultra-high surface area is perfect for the mass colonization of beneficial bacteria required for efficient nutrient cycling in both freshwater and marine aquariums and ponds.  Stack in a sump, trickle filters, media filters, wet/dry filters, hang-on-back filters, or directly in the aquarium.  Dimensions: 1-1/4in Sphere 1KG Box Contains 40 Bio-Spheres Balls Holds up to 45 Biological Sphere Media The IceCap Bio-Sphere Media Tower is a simple structure that allows the stacking of five Bio-Sphere Balls on each of its nine support rods to provide a more visually pleasing way of containing up to 45 total bio-sphere biological media. The stacking of the media will increase filtration efficiency when compared to placing the media in a detritus-collecting mesh bag in the sump. Bio-Sphere m