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.
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.