Aqua One Fish Tank Natural Lava Rock M

Aqua One Natural Lava Rock provides you with endless opportunities to create a unique aquascape in your aquarium. Each piece is made from natural lava rock and can be placed individually or stacked together. The porous surface encourages the growth of beneficial bacteria, adding to the health of your aquarium. It is also the perfect surface for growing Java Fern or Anubias. Each uniquely shaped piece has a central hole, created to provide fish with shelter and reduce stress levels.