Natural Chemistry Phosfree® Extra Strength 3L

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$74.99 $89.99

Quickly Reduces High Phosphate Levels!

Phosfree Extra Strength is specifically designed for high level phosphate removal.

Natural Chemistry Item Code: 75350NC


Specifically designed for high level phosphate removal.

Easily maintains low levels of phosphates in even the largest volumes of water.


Directions for use:

This product is designed for use in properly balanced pool water.

- Clean or backwash filter. Make sure DE filters are properly cleaned and charged with DE before adding product.

- For phosphate levels over 1,000ppb, add 32oz (1L) per 10,000 gallons. DO NOT add more than 48oz (1.5L) at a time.

- Shake bottle well prior to application. With circulation pump running, add the recommended dose to skimmer.

- Some clouding may occur. Run the pump and filter for 48 hours continuously without backwashing or cleaning the filter.

- After 48 hours, vacuum to filter.

- Backwash or clean filter.

- Retest the phosphate level. Repeat steps 1-6 if necessary.

For DE & Cartridge Filters: Do not add more than 48oz (1.5L) at a time. If more than 48oz (1.5L) is needed to treat phosphate level, be sure to clean or backwash the filter between treatments.

Important: Retest water after each completed treatment. Repeat until phosphate level is below 100ppb.

NOTE: Algae must be treated prior to testing and treating phosphates. Chlorine must be under 5ppm before testing for phosphates.

Phosfree Extra Strength MSDS

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