【100% Natural】Ausluru expanded clay are made from natural clay, which is non-toxic and has no taste. They are sturdy and pH-neutral, posing no harm to plants or fish. They can be easily cleaned and reused.
【Size and Weight】 Ausluru lava rocks range in size from 1/2” to 1 inch. Each shipment contains 5 pounds of lava rocks. They are available in either black or red. The color of these lava rocks is natural and does not fade, displaying various shades of red or black.
【Multiple Functions】Volcanic Fire Pit Lava Rocks are suitable for fireplaces, fire pits, and provide uniform heat and flame distribution. They can also be used for garden landscaping, potted plants, aquariums, water gardens, and ponds.
【Great for Plants and Aquariums】The porous structure of lava rocks allows them to absorb impurities in fish tanks. They are also useful in soil to retain moisture for plants. Rinse the lava rocks 3-4 times before putting them in the fish tank, avoiding any vigorous rubbing.
【Fully Dry Delivery】The color of lava stones appears different when they are dry or wet. Upon receiving the lava rocks, they will be lightweight since they are fully dried. If used in fire pits or fireplaces, please ensure the rocks remain dry.