Aquarium Lava Rock Volcano Stone Bio Filter Media

- Improve your water quality
- Perfect for providing the ideal living environment for your aquarium because it has beneficial denitrifying bacteria.
- This bacteria will improve your water quality by reproducing and then removing nitrates.
- Lava Rock is suitable for fresh water aquariums.
- Lava Rock Ideal for Aquascaping especially for bucephalandra

Volcanic stone is a functional kind of environmental protection material.
It is a kind of precious and polyporous stone, and formed by volcanic glass ,mineral and air bubble in the process of volcanic eruption.
It contains sodium, magnesium, aluminum, silicon, calcium, titanium, manganese, iron, nickel, cobalt, molybdenum, and other dozens of minerals and trace elements.
It has no radiation .
It has far infrared magnetic wave. Natural stone
Slide-proof, acid & alkali proof
Sound absorbing and insulation

Features of Volcanic Stone:
Natural stone, sound absorbing and insulation
Heat absorbing and preservation
Water absorbing and slide-proof
Acid & alkali proof
Not radiation
Not permeation
Not poisonous and not odor
Green and environmental-protection products with high quality
Hyperfine and with high quality products
Be used to interior decoration, outside decoration and paving public square