PhosBan Media by Two Little Fishes, 150 gr.
This granular ferric oxide hydroxide adsorbs phosphates from saltwater and freshwater. Also adsorbs silicates and dissolved organics.
Does not leach adsorbed substances.
Long lasting and easy way to control phosphate levels permanently.
150 grams will treat up to a 150 gallon tank for several months (depending on the phosphate level).
Replace when phosphate levels start to rise.
