About the VT Lava Rock Filter Media 5000ml
Manufacturer: Velda
The coarse, porous structure of chemically purified filter lava makes it an excellent biological filter media for all types of pond filters. Its many tiny pores provide the perfect environment for billions of beneficial micro-organisms to grow, allowing for highly effective natural filtration of the pond water.
VT Lava Rock Filter Media 5000ml Features
Coarse filter media