Keep the water of your pond clean and clear with this 8 kg Substrat Oxy natural pond filter material from Ubbink. These natural grains help in the nitrification process, promoting a healthy and balanced ecosystem. Natural filter material Substrate Oxy: These are pebbles with porous structure (2-6 mm) that promote the nitrification process, which is necessary for the supply of nutrients and carbon to aquatic plants, stimulating their growth and the production of oxygen.Convenient 8 kg package: The Ubbink pond filter grains come in handy with the 8 kg packaging. They act as nature's purifiers, aiding in the removal of contaminants and contributing to the overall well-being of your pond's inhabitants.Good to know:Substrat Oxy should be deposited at the bottom of the pond or in a basket-type housing.

• Colour: Brown
• Substrate content: Natural stone
• Grain size: 2-6 mm
• Promotes the nitrification process in your pond
• Quantity: 8 kg