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.
Maintenance: 500ml per 50,000 litres
High Phosphates: (> 1 ppm phosphate) 1 ltr per 50,000 litres