This best-in-class SeaKlear Phosphate Remover removes 9,000 ppb (parts per billion) orthophosphates in a single dose, in 10,000 gallons making it the optimal solution for commercial pools, service professionals, and to combat extreme phosphate problems. Phosphates are known to be a major water pollutant. In your swimming pool they can cause numerous water quality issues including: discolored cloudy water, poor water quality that leads to extra chemical, excessive scale damage to heaters, and lower efficiency of salt generator systems.