This Ubbink pond substrate will make an ideal covering for your pond floor, as it will stimulate the growth of beneficial bacteria and help nurture the pond's ecosystem. The Ubbink pond substrate promotes the development of nitrifying bacteria in your pond. It is suitable as a soil layer or as a top layer in baskets with water plants. It is to be used in ponds with liners or pre-fabricated ponds.

• Contents: 10 kg
• For use in ponds