Phosphate Adsorption Media.

• Non-Toxic GFO for Freshwater and Saltwater Aquariums.
• Adsorbs silicates and dissolved organics
• Does not leach adsorbed substances
• Long lasting and easy way to control phosphate levels permanently
• Includes a media bag
• Treats 1200 gallons saltwater, 2400 gallons freshwater
  

Synthetic ferric oxide hydroxide granules with an extremely high capacity for adsorbing phosphate from saltwater and freshwater. Also adsorbs silicate, and does not release adsorbed substances. Recommended for long-lasting and easy control of phosphate levels on a permanent basis.

Size: 1,200 grams