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By fostering a natural pond environment
Durable polyurethane coating that forms a protective seal
calcareous algae and other organisms can result in calcium depletion
If you've algae loving marine fish
Power Consumption: 8 watts
Black Knight 6" Dia x 12" Long Filter Brushes - 6 Pack compact By fostering a natural pondWhat are Black Knight Filter Brushes: Black Knight filter brushes are made from the very highest quality Hydrotek polypropylene twisted into two stainless steel wires to form a cylindrical brush with a loop at one end for hanging. The other end is capped with a plastic knob for safety. They last indefinitely and are the easiest to use, most efficient and most cost effective pond filter medium you can buy. Our brushes are used in filtration systems in
US$ 33.95
US$ 39.99
US$ 41.95