Salifert Phosphate (PO4) Profi Test light acc A filter bag sock made

A filter bag sock made of soft felt material

We recommend placing the spheres in a filter bag or stocking

start by dosing 2 mL per 250 gallons (net water volume) of water each day until nutrient levels drop

canister filters

Frag plugs pictured are not included

Salifert Phosphate (PO4) Profi Test light acc A filter bag sock madeIf phosphate is present in too high a concentration there may be an increase in growth of undesirable algae and if the phosphate level is higher than 0. 04 mg L the growth rate of corals and calcareous algae may decrease by as much as 90%. Washing fish food (a rich source of phosphates) after thawing can significantly reduce the input of phosphate, and using a high grade, phosphate free activated carbon can also help to keep phosphate levels as low as