How to Test Pool Salt PPM


Saltwater pools use special chlorine generators that convert salt into hypochlorous acid, the same acid produced by chlorine. These pool systems often require less maintenance than other pool systems, as they generally only require one salt application per swimming season. Factors such as rainfall or loss of water through splashing and backwashing may affect salt levels. Perform a weekly salt test of the pool water to ensure the level stays between 2,500 and 4,000 parts per million (ppm).

Things You'll Need

  • Salt test kit
  • Fill the vial from a saltwater test kit with 1 inch of the pool water.

  • Stick the test strip in the pool water. Take note of which end of the strip is intended to go in the water and which end is supposed to stay out. Do not allow the dry end of the strip to come in contact with the pool water.

  • Allow the test strip to soak in the water for three to four minutes. This provides adequate time for the strip to absorb the salt.

  • Compare the color on the test strip with the color chart included in the saltwater test kit. Match up the colors to determine the salt content of the water in parts per million.

Tips & Warnings

  • Some test brands may differ slightly, so read the directions carefully before you test the water.

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