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
by Julian Sprung for long-lasting and easy control of phosphate levels
on a permanent basis.
This granular ferric oxide hydroxide adsorbs phosphates from saltwater and freshwater.
* 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 450 gallons saltwater, 900 gallons freshwater