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2024 Cyanuric Acid Pool Calculator: Free & Easy to Use!

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Cyanuric Acid Pool Calculator

You need a Cyanuric Acid Pool Calculator to ensure that the Cyanuric Acid (CYA) stays within ideal range of 30-50 ppm.

Cyanuric Acid Pool Calculator

Chlorine is a great pool sanitizer but Free Chlorine (FC) breaks down very rapidly under UV rays of the sun. As such Free Chlorine (FC) needs some protection from UV rays in the form of Cyanuric Acid (CYA) which a “stabilizer” for chlorine.

If CYA is lower than 30 ppm, chlorine will get depleted too soon.

But, if cyanuric acid levels get too high, it can lead to a condition known as “chlorine lock“, where chlorine is unable to sanitize.


Cyanuric Acid Pool Calculator – Instructions

This Cyanuric Acid Pool Calculator helps you determine the necessary actions to maintain or adjust the Cyanuric Acid (CYA) levels based on your pool volume, existing CYA level, and target CYA level.

  • Enter the volume of your swimming pool in gallons. This value is essential for accurate calculations. You can use my Pool Volume Calculator, if you do not know the pool volume.
  • Enter the current CYA level in your pool. This value helps assess the current situation.
  • Select the desired CYA level from the dropdown menu. Choose a level between 20 ppm and 40 ppm.
  • After entering the required information, click the “Calculate” button to get recommendations based on your inputs.
  • The result will appear below the button. It will provide guidance on the necessary actions based on the existing and target CYA levels.
Chlorine Stabilizer (CYA) Pool Calculator

Chlorine Stabilizer (CYA) Pool Calculator

Action Recommendations:

  • If the existing CYA level is lower than the target level, the calculator will recommend adding a calculated amount of CYA to reach the desired level.
  • If the existing CYA level is higher than the target level, the calculator will recommend replacing a calculated percentage of pool water with fresh water to dilute the CYA concentration.
  • If the existing CYA level matches the target level, the calculator will indicate that no action is required.

Do you need access to all my Pool Chemical Calculators? Just click the button below:

The Best Chlorine Stabilizer for Your Pool

HTH 67061 Pool Care Stabilizer is the best Chlorine Stabilizer for your pool when the Cyanuric Acid (CYA) levels are low.

HTH 67061 Pool Care Stabilizer

Helps protect and extend the life of chlorine in your swimming pool water and ensures healthy swimming conditions. Helps slow down the effects of direct sunlight.

Simply add HTH Chlorine Stabilizer directly to your skimmer as per the recommended dose.

Thank you very much for reading the post. I do hope you found it informative and helpful.

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