Tetra Pond PF Foam Blocks
Keep your pond in the best possible condition with a Tetra Pond PF Foam Block. It features a simple round design and is a perfect replacement for Tetra Clear Choice Gravity filters. Made from durable material, this set helps to remove suspended matter from ponds. The pad also promote growth of ammonia consuming bacteria.
• Promote growth of ammonia consuming bacteria
• Helps to remove suspended matter
• Simple round design