EcoBio-Stone Nano
Price range: $12.65 through $16.78
EcoBio-Stone Nano for nano-size aquariums is a volcanic rock and cement block containing beneficial bacteria in spores that are activated by organic waste in the water to create a healthy ecosystem. Extra blocks may be necessary depending on variations in the condition of water, temperature and amount of fish.
Product details:
Dimensions (in.):
1.125 x 1.125 x 1.125
Tank capacity (gal.):
0.8–1.5
Weight (lb.):
0.1