vidaXL Red Volcanic Rocks - Natural Aquarium Decor and Garden Landscape Feature, 5-8 cm, 25 kg

Wide Applications: Aside from enhancing your aquarium, these red volcanic rocks can be used to add a striking touch to your garden landscapes and planter bed Biological Filter: The red lava rocks help improve water quality, boost oxygen levels and control nitrates for a healthier aquatic habita Aesthetic Appeal: With beautiful natural shaping, these 5-8 cm aquarium rocks provide a vibrant and detailed decoration enhancing the undersea worl Natural Material: Made from 100% natural volcanic rock, the red aquarium rocks are safe for all freshwater and saltwater environment Voluminous Supply: A total weight of 25 kg ensures you have a generous supply of these red lava rocks for multiple application