Brightwell Aquatics ExtraxPhos Spherical Phosphate Adsorption Media 300gram / 10.6 oz
 
Quickly removes phosphate and silicate from aquarium water to support nutrient balance
Unique spherical structure and porosity maximize reactive surface area
Promotes reactivity and efficiency by maximizing contact time
Prevents packing and channeling of water 
Will not dissolve, disintegrate, or leach phosphate or silicate back into your system when exhausted
Safe for use in all freshwater and marine aquaria including planted and reef systems