VidaXL Volcanic Rocks - Red - 5-8 mm - 10 kg

The volcanic rocks are a natural, decorative addition for aquariums, providing a vivid focal feature at the bottom of your tank. Made from 100% natural volcanic lava, they are safe for both fresh and saltwater environments and will not alter the water’s pH or chemistry. Their natural shaping offers a striking colour and texture that enhances the look of any underwater scene, while also acting as a natural biological filter to help improve water quality, boost oxygen levels, and control nitrates for a healthier habitat. These rocks are also suitable for garden landscapes, planter beds, and other landscaping applications, making them a versatile choice for multi-use spaces.

In aquariums their size and weight make them easy to arrange along the substrate, contributing to both aesthetics and a natural feel. The red colour provides a bold accent that can complement various decor schemes and plant choices, while their porous texture supports beneficial bacteria and enhances the overall environment.

Features

• 100% natural volcanic lava rocks
• Safe for freshwater and saltwater; won't alter pH
• Vibrant red colour with natural shaping
• Size 5–8 mm
• Supplied in a 10 kg pack
• Acts as a natural biological filter to improve water quality