API Bio-Chem Zorb Filter Media Pouch for Crystal Clear Aquarium Water, Size 6, 18 count

Help promote crystal clear water and the growth of corals in saltwater aquariums and plants in freshwater aquariums with the ultimate filtration and convenience of API Bio-Chem Zorb Filter Media Pouch. Made with a unique blend of pharmaceutical-grade ion exchange resins, research-grade organic scavenger resins and high-porosity activated carbon, this filter is designed to remove organic materials including colors, odors, heavy metals, toxic gases and compounds that carbon, alone, can't remove. It also works to eliminate light-blocking impurities to help stimulate coral and plant growth. This pouch is ideal for aquarium start-up and regular maintenance.