GroTech RemoPhos FE 2-4mm, 500ml
RemoPhos - Phosphate remover
RemoPhos is an iron-based adsorbent material, which removes fast and surely large quantities of phosphates and silicates from your aquarium, without thereby delivering harmful substances
RemoPhos should be used in a slowly flowed filter in order to obtain the optimal effect is an upstream particle and activated carbon filter recommended.
RemoPhos should not be used in the fluid bed filter since by the spinning around the deposited phosphate can be abraded and set free again.