Black Lava Rock

Black Lava Rock is a porous, lightweight aquatic rock/stone that is great for widely used for both aquariums and terrariums. It is a lightweight and porous rock/stone that is ideal for aquarium filtration as the tiny holds are beneficial for bacteria, and it makes it easy to attach plants.

Each rock is unique and approximately weighs 6-8 lbs and around 8" - 10" in diameter. 

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