Coral Vue GFO (Granular Ferric Oxide) Phosphate Adsorption Media is ideally suited for filtering out phosphate from the water column to promote better coral growth and helps prevent algae outbreaks. This media's porous high surface area is not only ideal for binding phosphate but also silicate, arsenic and other water-staining compounds.

• 640 oz (by volume)
• 5 gallon bucket
  
• Great for up-flow media filters/reactors
• High capacity
• German made bayoxide
• Absorbs phosphate
• Binds silicates
• Porous surface