Seachem PhosNet; 50 gm Net Bag.
Renew is designed for both marine and freshwater use.
Use into all type of aquarium filters.
Reduce ammonium and nitrite, removes sludge,green algae,hair algae pollutants and reduce water change frequency up to months.
Rapidly removes phosphate & silicate
Synthetic granular ferric oxide (GFO)
Less dust and thus is easier to use.