vidaXL Volcanic Aquarium Rocks Red - Natural Decorative Stones for Fish Tank Landscaping, Garden, Planter Beds (Size: 5-8mm, 10kg pack)

【Biological Filter】: Act as a natural biological filter, enhancing water quality, boosting oxygen levels, controlling nitrates for healthier fish habitat 【Versatile Rocks】: These multicolor 5-8 mm Volcanic Rocks serve purposes beyond aquariums; great for decorating garden landscapes or planter beds 【Product Specifications】: Supplied in a 10 kg pack. Vibrant red volcanic rocks, sized between 5 and 8 mm great for various decorative purposes 【Natural Material】: Volcanic Rocks are 100% natural, with no affect on water's pH or chemistry, making them suitable for fresh and saltwater environments 【Aquarium Decoration】: The red Lava Rocks' natural shaping can be a vivid, detailed decorative feature in your fish tank or aquarium