IceCap Bio-Sphere Biological Filter Media (1KG)

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