SPECIFICATIONS

【Pure Natural and Dark Color】These black lava stones are of volcanic origin, rich in minerals and trace elements. They remain in their original state after being hand-picked and cleaned. With a very dark color, rough surface, and porous texture, they offer a natural aesthetic. Their comparably low weight allows for creating large structures without adding excessive bulk. 【Diverse Types of Landscaping】Essential for aquascaping, these stones can be used in all types of aquarium setups. Use them alone or combine to craft landscapes like caves, cliffs, and mountains. Additionally, they can be crushed to serve as a substrate that facilitates plant root growth. 【Suitable with Aquatic Plants and Ferns】Ideal for pairing with epiphytic aquatic plants and mosses. Simple aquatic plants easily find root footholds on the stones and self-attach quickly. Moss-covered rocks can help form lush forest scenes. 【Porous Structure for Bacteria Cultivation and Water Purification】The porous texture provides an excellent habitat for beneficial bacteria such as nitrifying bacteria, promoting a healthier aquarium environment. The rough surface also filters by absorbing harmful bacteria, debris, feces, and heavy metal ions to keep water clean. 【Stable Nature and Activated Water】Lava stone is stable in nature; it does not affect water composition or increase hardness while helping stabilize pH levels and mineral content. It promotes oxygen ion activity in the water to support metabolism in plants and animals.