Chlorine to salt pool conversion setup on a daylight equipment pad

How to Convert a Chlorine Pool to Saltwater

Converting a traditional chlorine pool to a saltwater pool is a single-day project for a handy homeowner. The pool becomes easier to maintain, the water feels softer, and you stop hauling chlorine jugs from the store. The conversion costs $700–$2,000 in equipment and chemicals; payback is usually 2–4 years vs. ongoing chlorine costs.

What you’ll need

  • A salt chlorine generator sized for your pool (T-CELL-3, T-CELL-9, or T-CELL-15)
  • Pool-grade salt (calculate based on pool volume)
  • PVC plumbing and unions for cell installation
  • 120V or 240V electrical supply at the equipment pad
  • Salt test kit
  • Cyanuric acid (salt pools need higher stabilizer than chlorine pools)

Step-by-step conversion

1Balance existing chemistry.

Stop adding chlorine 1–2 days before. Test all six parameters; adjust to ideal ranges. Address any high cyanuric acid (above 50 ppm for traditional pools, but salt pools want 60–80).

2Install the salt cell controller.

Mount the AquaRite or equivalent control box at the equipment pad. Wire to a dedicated GFCI-protected circuit. For full install steps see our AquaRite install tutorial.

3Splice the cell into the return-side plumbing.

Cell goes after the filter and heater, on the way back to the pool. Install with the flow arrow pointing in the direction of water flow.

4Install the flow switch.

Flow switch goes BEFORE the cell. Required so the cell only generates when water is moving.

5Calculate and add salt.

Target 3,000–3,400 ppm. Most residential pools need 200–500 lb of salt. See our salt-add tutorial.

6Run pump 24 hours to dissolve salt.

Don’t turn cell on yet. Let the salt fully circulate.

7Adjust cyanuric acid to 60–80 ppm.

Salt pools need more stabilizer because generated chlorine is continuously low-level — without stabilizer UV destroys it before it can sanitize.

8Power on the salt cell.

Set output to 50% initially. Monitor free chlorine over the next few days and adjust output up or down to maintain 2–3 ppm.

Conversion equipment

Hayward T-CELL-9 TurboCell

Hayward T-CELL-9 (25k gal)

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Durachlor chlorine stabilizer for salt conversion

Durachlor Stabilizer (boost to 60–80 ppm)

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Taylor K-2005 Salt test kit

Taylor K-2005 Salt Test Kit

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What changes in your maintenance routine

  • You stop buying chlorine. The cell makes it.
  • You start buying salt occasionally. 1–3 bags per year to top up after rain dilution and splash-out.
  • Inspect and clean the cell quarterly. See our cell cleaning tutorial.
  • Test water just as often. Salt pools still need pH and alkalinity monitoring.

Send PST Pool Supplies your pool volume and current equipment, and we’ll bundle the right conversion kit for your specific setup.

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