How To Clean A Pentair Salt Cell?

A Pentair salt cell is an essential component of a saltwater pool system that converts salt into chlorine to sanitize the water. Over time, the salt cell can become coated with calcium deposits and other debris, which can reduce its effectiveness and shorten its lifespan. In this blog post, we will guide you through the steps to clean a Pentair salt cell.

How To Clean A Pentair Salt Cell?

Step 1: Turn Off The Pool System

The first step in cleaning your Pentair salt cell is to turn off the pool system. This will prevent any water from flowing through the cell while you are cleaning it.

Step 2: Remove The Salt Cell

Next, remove the Pentair salt cell from the pool system. This can typically be done by loosening the union nuts on either side of the cell and gently pulling it out of the plumbing.

Step 3: Soak The Salt Cell In A Cleaning Solution

Once you’ve removed the salt cell, prepare a cleaning solution by mixing one part muriatic acid with ten parts water in a plastic container. Be sure to wear protective gloves and goggles while handling the acid. Place the salt cell in the container and allow it to soak for approximately 15 minutes.

Step 4: Rinse The Salt Cell

After soaking the salt cell, remove it from the cleaning solution and rinse it thoroughly with a hose. Be sure to rinse both the inside and outside of the cell to remove all traces of the cleaning solution.

Step 5: Inspect The Salt Cell

Inspect the Pentair salt cell to ensure that all calcium deposits and debris have been removed. If there are still deposits present, repeat the soaking process and rinse again until the cell is clean.

Step 6: Reinstall The Salt Cell

Once the salt cell is clean, reinsert it into the pool system and tighten the union nuts on either side. Turn the pool system back on and allow the cell to run for at least 24 hours before checking the chlorine levels in your pool.

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How Often Should You Clean A Pentair Salt Cell?

If the electrolytic cell has a tendency to scale, it is recommended that every two months the cell be removed and inspected for scale formation and/or debris. Some filters allow debris to pass through to the cell, possibly lodging between the plates in the cell.

How Do I Know If My Pentair Salt Cell Is Bad?

Further troubleshooting will be required.

  1. If the salt cell bubbles, but only a little bit, then you probably have a bad cell.
  2. If the salt cell bubbles vigorously, then it is working fine.
  3. If the salt cell is good, but you are constantly getting a zero chlorine reading in the pool, something else is wrong.

How Do You Clean A Saltwater Pool Cell?


  1. Turn the pump off.
  2. Remove the cell at the unions and unplug it from the power supply.
  3. Pour enough Salinity Cell Cleaner to cover the fins inside the cell.
  4. The solution will bubble up, breaking apart the calcium build-up on the cell. …
  5. Safely discard the solution by returning it to the pool.

What Is The Life Expectancy Of A Pentair Salt Cell?

This is all possible thanks to your pool’s salt chlorine generator cell. With proper care, a cell will last about five years.

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Cleaning your Pentair salt cell is a simple process that can be done with a few basic supplies and some patience. By following these steps, you can remove calcium deposits and other debris from your salt cell, ensuring that it functions at its best and keeps your pool water clean and clear. Remember to wear protective gear while handling the acid and always follow the manufacturer’s instructions when cleaning your Pentair salt cell.


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