LANDEN Black Icelandic Lava Stone Natural Rocks (18lbs, 3~11 inches,11pcs) for Aquariums, Paludariums, Terrariums, Caves and Rocky Peaks, Mountainous Desert Landscapes

【Unique Shape】LANDEN Icelandic lava stones are known for their unique shapes, textures, and colors that are enhanced when water submerges, creating a beautiful and natural-looking aquascape.

【Porosity】 Icelandic lava stones typically have higher porosity and surface area, making them ideal for use as filter media and biological carriers, supporting a greater population. Compared to regular lava stones, Icelandic lava stones are lighter, with higher porosity and surface area.

【Eco-friendliness】 Icelandic lava stones are natural rocks that do not cause pollution and can be used multiple times., making them an excellent choice for environmentally conscious aquarists.

【Safety】 Icelandic lava stones are pre-processed, ensuring they won't negatively impact water quality, nor will they decompose or rot. Neutral, can better stabilize water quality, and will not harm plants and animals

【Versatility】 Icelandic lava stones can be used to create natural-looking aquascapes, such as simulating waterfalls and mountain streams, or as filter media to help maintain water quality in aquariums. Icelandic lava stones can also be used for hardscape design, such as garden or courtyard decoration, adding a natural aesthetic.