GFO Phosphate Adsorption Media

Grouped product items
Alphabetical Qty
GFO 1lb 32oz Phosphate Adsorption Media
SKU: CV-GFO32
$19.99
Out of stock
GFO 2lbs 64oz Phosphate Adsorption Media
SKU: CV-GFO64
$36.99
Out of stock
GFO 4lbs 128oz Phosphate Adsorption Media
SKU: CV-GFO128
$68.99
Out of stock
GFO 20lbs 640oz Phosphate Adsorption Media
SKU: CV-GFO640
$299.99
Out of stock

This product is available at our retail partners. You can also find replacement parts and outlet items in our Outlet and Parts Store.


Phosphate Adsorption Media for fresh and marine aquariums

Available in 32oz, 64oz, 120oz & 640oz(5gal Bucket) sizes

Phosphate Adsorption Media for Fresh and Marine Aquariums

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.

Write Your Own Review
You're reviewing:GFO Phosphate Adsorption Media
Your Rating