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This product is available at our retail partners. You can also find replacement parts and outlet items in our Outlet and Parts Store.
Available in 32oz, 64oz, 120oz & 640oz(5gal Bucket) sizes
Granular Ferric Oxide commonly refereed to as GFO ideally suited for filtering out phosphate from the water column which promotes better coral growth and helps prevent algae outbreaks. This medias porous high surface area is not only ideal for binding phosphate but also silicate, arsenic and other water-staining compounds.