How pH Balancing Chemicals Improve Pool Water Quality?

Posted by Craig Mair
4
Feb 27, 2025
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Maintaining the proper pH level in your swimming pool is essential for keeping the water clean, safe, and comfortable. One of the most effective ways to regulate pool pH is by using pH-balancing chemicals like bulk bicarb soda. These chemicals help maintain the delicate balance of acidity and alkalinity in the water, preventing issues such as cloudy water, skin irritation, and equipment damage.

Why is pH Balance Important in Pools?

The pH level of your pool water refers to how acidic or alkaline it is, measured on a scale from 0 to 14. Ideally, a pool should have a pH level between 7.2 and 7.6. If the pH is too low (acidic), it can cause eye irritation, corrode pool equipment, and make chlorine less effective. If the pH is too high (alkaline), it can lead to scaling, cloudy water, and reduced sanitisation efficiency.

Common pH Balancing Chemicals

There are several chemicals used to maintain proper pH balance in pools:

  1. Sodium Bicarbonate (Bicarb Soda) – This is used to increase total alkalinity, which helps stabilise pH levels.
  2. Sodium Carbonate (Soda Ash) – Used to raise pH without significantly affecting alkalinity.
  3. Muriatic Acid or Dry Acid – These acids lower pH and total alkalinity when the water becomes too alkaline.

These chemicals are vital in keeping pool water in the ideal range.

How does Bulk Bicarb Soda help Maintain Pool pH?

Bulk bicarb soda (sodium bicarbonate) is one of the best options for increasing total alkalinity in pool water. When the alkalinity is at the right level (between 80 and 120 ppm), it helps prevent rapid pH fluctuations. If your pool’s pH is unstable, adding bicarb soda will act as a buffer, preventing sudden drops in acidity. This makes pool maintenance easier and helps chlorine work effectively to kill bacteria and algae.

Signs Your Pool Needs pH Balancing

If your pool water is not properly balanced, you may notice:

  • Cloudy or murky water
  • Skin or eye irritation after swimming
  • Scaling or corrosion on pool tiles and equipment
  • Ineffective chlorine performance, leading to algae growth

Regularly testing your pool water with test kits or strips will help detect any imbalances early.

Steps to Adjust pH Levels with pH Balancing Chemicals

  1. Test the Water – Use a pool testing kit to check the pH and alkalinity levels.
  2. Determine the Required Chemical – If the pH is too low, add soda ash or bulk bicarb soda to raise it. If the pH is too high, use muriatic acid or dry acid to lower it.
  3. Measure and Add the Chemical – Follow the manufacturer's recommendations for the correct dosage.
  4. Circulate the Water – Run the pool pump for several hours to distribute the chemicals evenly.
  5. Re-test and Adjust if Needed – After a few hours, test the water again and make necessary adjustments.

Additional Tips for Maintaining Pool Water Quality

  • Monitor pH and Alkalinity Weekly – Frequent testing helps prevent significant imbalances.
  • Keep Your Pool Filter Clean – A clogged filter can lead to water quality issues.
  • Avoid Overuse of Chemicals – Always measure carefully to prevent overcorrection.
  • Shock the Pool as Needed – Regular shocking helps eliminate bacteria and organic contaminants.

Conclusion

Using pH balancing chemicals like bulk bicarb soda is crucial for maintaining a clean and safe swimming pool. Regularly testing and adjusting your pool's pH and alkalinity levels ensure the water remains clear, comfortable, and free from harmful contaminants. Proper pool maintenance extends the life of your pool equipment and enhances the swimming experience for everyone.

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