20LTR IQ NIL-PHOS
Prevents algae growth by removing phosphates 250 g/l Lanthanum Chloride Optimum strength to ensure rapid removal of Phosphates.
Water may initially become cloudy as Phosphates drops out but will clear. IQ Maxi Clear Tablets or Pool Solutions Super Clear are recommended to accelerate clarification. See IQ Nil-Phos Phosphate Testing Station.
Application Rate: Maintenance: 500ml per 50,000 litres High Phosphates: (> 1 ppm phosphate) 1 ltr per 50,000 litres..