vidaXL Natural Red Volcanic Rocks 3-5 cm 10 kg

Amazon

【Biological Filtering】: Acting as natural bio-filters, these volcanic rocks foster beneficial growth, boost oxygen levels, and control nitrates, promoting cleaner and healthier habitats 【Attractive Decoration】: Their naturally occurring shapes make these lava rocks a visually pleasing addition to any fish tank or aquarium. The colour is an attractive red 【Size and Weight】: Each lava rock measures between 3-5cm, making them a suitable size for most fish tanks and aquariums. The total weight of the product is 10 kg 【Natural Material】: The volcanic rocks are 100% natural and entirely safe making no impact on your aquarium's pH or chemistry. Perfect for both freshwater and saltwater fish tanks 【Versatile Applications】: Apart from aquariums, these red volcanic rocks can also serve as an attractive addition to gardens, planter beds, and other types of landscaping rock applications

ManoMano

General description The volcanic rocks are a perfect addition to the bottom of your fish tank or aquarium, helping you create a beautiful underwater world. These 100% natural volcanic lava rocks are safe for both fresh and saltwater environments, ensuring they won't affect the water's pH or chemistry. With their beautiful natural shaping, they provide a colorful and detailed focal feature to your aquarium. Additionally, these volcanic stones serve as excellent natural biological filters that improve water quality, boost oxygen levels, and control nitrates for a cleaner and healthier habitat. They are also suitable for garden landscapes, planter beds, and other landscaping rock applications. Technical specifications Colour: Red Material: Volcanic rock Size: 3-5 cm Weight: 10 kg Other information

VidaXL

The volcanic rocks are a perfect 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.