Ubbink Pond filter material Volcanic lava stone 16-32 mm 10 l

Keep your pond water clean and clear with this 10L Lava Natural Volcanic Stone Pond Filter Material from Ubbink . These natural grains act as effective filtration agents, promoting a healthy and balanced ecosystem. Quick clarifying effect: Lava is a natural volcanic stone for biological filtration. Therefore, the granules or fragments are of different sizes ranging from a diameter of 16 to 32 mm. They quickly transform cloudy water into a crystalline oasis. Maximum adhesive surface for bacteria: The structure, which is both rough and porous, offers the best colonization conditions for bacteria to quickly obtain a healthy bacterial bed in the pond water. Convenient 10L Pack: Ubbink pond filter grains come in handy with the 10L pack. They act as nature's purifiers, helping to eliminate contaminants and contributing to the general well-being of the pond's inhabitants. Useful Information:Lava pond grains should be placed in a net inside the pond filter unit between the mechanical function foam filters and the biological function filter materials.

• Brown color
• Content: Natural volcanic stone
• Granule size: 16-32mm
• Rough and porous structure
• Maximum adhesive surface for bacteria for a purifying effect on pond water
• Quantity: 10L