Aquatop Phosphate & Nitrate Removing Poly-fiber Filter Pad 18x10, 1pc

Introducing Aquatop?s 18?x10? Specialized Filtration Media Pad. This filter pad is made of a durable, rigid poly-fiber material and is uniquely enhanced to remove harmful toxins and organic particles from fresh or saltwater systems. The FP-1018PN is a special 2-in-1 Phosphate & Nitrate Removing Filter Pad that helps to prevent potential nuisance algae blooms by removing unwanted phosphates and nitrates from the water column for healthier, cleaner water.