Most effective way to remove phosphates
Reducing phosphate levels in pools is easy with Natural Chemistry's patented Phosfree technology. Phosfree is formulated from lanthanum (rare earth) compounds. When added to the skimmer, a thin coating of Phosfree forms on the filter media. As pool water flows through the filter, phosphates are reduced to a very low level.
Directions for use:
This product is designed for use in properly balanced pool water.
Note: If DE filter pressure rises to 10psi above start-up pressure, turn pump off for 1 minute and then turn it back on. If pressure remains high, backwash or rinse for 30 seconds.
Dosage Chart
Dose per 10,000 gallons (38,000L)
| Phosphate Level | PHOSfree Dosage |
|---|---|
| 300ppb or less | 0.5L or 16oz |
| 600ppb | 1L or 32oz |
| 900ppb | 1.5L or 48oz |
| 1200ppb | 2L or 67.6oz |
For DE & Cartridge Filters: Do not add more than 1.5L (48oz) at a time. If more than 1.5L (48oz) is needed to treat, be sure to clean or backwash the filter between treatments.
Important: Algae must be treated prior to testing and lowering phosphates. Chlorine must be under 5ppm before testing phosphates.
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