Seachem PhosNet Size:250 g. It contains all the basic

It contains all the basic nutrition your fish need to live a long and health-filled life

porous structure is also highly beneficial to nitrifying bacteria

the button can be adjusted to redirect the flow

Expandable System: Expandable up to 400 ares/10 acres/4 hectares (additional wire and flags required)

Seachem PhosNet Size:250 g. It contains all the basicPhosNet is a granular ferric oxide (GFO) with high porosity, high surface area and high binding capacity. It will rapidly remove phosphates and silicates from both freshwater and saltwater and will not release them back into your aquarium. It exhibits stronger binding than most competing products and consequently can reduce phosphates and silicates to very low levels. PhosNet also offers less dust and thus is easier to use than most competing GFO