Maxspect Nano-tech Phosphree

Nano-Tech Phosphree is a polymer resin that is chemically stable and does not leak any metal ions into the water column unlike metal-based absorbents. Comes in two sizes: 500ml / 17 fl oz 500 ml (17 fl oz) will remove 3 ppm of phosphate from a 2000 liters (528 gallons) marine/reef aquarium. 250ml / 8.5 fl oz 250 ml (8.5 fl oz) will remove 3 ppm of phosphate from a 1000 liters (264 gallons) marine/reef aquarium.