Volcanic rocks will make a great addition to your fish tank or aquarium bottom and help create a beautiful underwater world. Natural Material: Volcanic lava rocks are 100% natural and safe. They don't...

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5-8 mm (10 kg) 5-8 mm (25 kg) 1-2 cm (10 kg) 1-2 cm (25 kg) 3-5 cm (10 kg) 5-8 cm (10 kg) 5-8 cm (25 kg) 3-5 cm (25 kg) 10-30 cm (10 kg) 10-30 cm (25 kg)

Volcanic rocks will perfectly complement your fish tanks or aquarium bottom and help create a beautiful underwater world.

Natural material: Volcanic lava rocks are 100% natural and safe. They will not affect the pH level or chemistry of the water and are suitable for both freshwater and saltwater environments.
Decoration: The beautifully naturally shaped lava rocks will provide a colorful accent element in your fish tank or aquarium.
Biological Filter: These volcanic rocks make excellent natural biological filters that improve water quality, increase oxygen levels and control nitrates for a cleaner and healthier habitat.
Wide application: volcanic rocks are also suitable for creating gardens, hollows and other landscapes.

Color: red
Material: volcanic rock
Size: 5-8 mm
Weight: 10 kg