vidaXL Volcanic Rocks, Lava Accent Rocks for Aquarium, Volcanic Lava Stones Beads for Succulents Cactus Pots Terrarium Plants Vase Fillers, 25 kg Red

• 【Natural Material】: These volcanic rocks are 100% safe for use in both fresh and saltwater aquariums, without affecting the water's pH or chemistry
• 【Wide Applications】: Beyond aquariums, these rocks can be implemented in garden landscapes, planter beds, and various landscaping projects
• 【Decorative Element】: The red lava rocks offer a distinctive aesthetic appeal to your fish tank or aquarium, enhancing its beauty
• 【Biological Filter】: Serving as a natural biological filter, these volcanic rocks improve water quality, control nitrates, and increase oxygen levels in the tank
• 【Product Specifics】: The volcanic rocks are red in color, measure 1-2 cm, and come in a pack weighing 25 kg

Product description The volcanic rocks are a great addition to the bottom of your fish tank or aquarium, helping you create a beautiful underwater world! Natural material: The volcanic lava rocks are 100% natural and safe which won’t affect water's pH or chemistry and are suitable for both fresh and saltwater environments. Decoration: With beautiful natural shaping, the lava rocks provide a colourful and detailed focal feature to your fish tank or aquarium. Biological filter: These volcanic stones make for great natural biological filters that improve water quality, boost oxygen levels, and control nitrates for a cleaner and healthier habitat. Wide applications: The volcanic rocks are also suitable for garden landscapes, planter beds, and other landscaping rock applications. Colour: Red Material: Volcanic rock Size: 1-2 cm Weight: 25 kg Directions Used as intended