Ubbink filter material for pond lava volcanic stones 16-32 mm 10 L beige and white

Keep the water in your pond clean and clear with the natural lava stones from Ubbink (10 L). These natural stones act as effective filter media and promote a healthy and balanced ecosystem. Fast cleaning effect: Lava stone is a natural volcanic rock that is suitable for biological filtration. The stones are therefore of different sizes and have a diameter of 16 to 32 mm. They quickly transform cloudy water into clear water.Maximum bacteria-adhering surface: The structure, which is both rough and porous, offers the best colonization conditions for bacteria, resulting in healthy pond water.Practical 10-liter pack: These Ubbink filter media for pond filters are available in the practical 10-liter pack. They act as natural cleaners, help to eliminate pollutants and contribute to the general well-being of the pond fish. Good to know:The Lava pond filter material is placed in a mesh bag; this is placed in the pond filter between the mechanically functioning foam filters and the biologically functioning filter media.

• color: brown
• Content: Natural volcanic rock
• Grain size: 16-32 mm
• Rough and porous structure
• Maximum surface area to which bacteria adhere – for a cleaning effect in the pond
• Quantity: 10 L