Nano Tech Bio-Sphere - 2KG

Stabilized microbial sewage treatment technology with Biological Acerated Filter(W-BAF)
Ultra-high surface cross-cutting ratio and filtration area.
Nano-Tech Bio-Block is made of ceramic beads and is completely inert.
For freshwater and marine aquariums.
Treats up to 5,700 L / 1,500 Gal