Brightwell Aquatics PhosphatR Regenerable Phosphate Resin, 250 ml
 
Regenerable Phosphate-Adsorption Resin for All Marine Fish & Reef Aquaria.
Will also remove silicates.
More effective than activated alumina and granular ferric products.
Will not release phosphate or silicate once exhausted
Will not break up or disintegrate like ferric medias.
Contains no aluminum to dissolve inaquaria and harm inhabitants.
Synthetic polymer resin beads provide for durability and excellent flow characteristics
May be used in fluiduzed-bed, canister, or passive filtration.
Regenerable up to five times