Essential Guide to Balancing Pool pH and Alkalinity

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Aug 28, 2025 - 10:49
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Essential Guide to Balancing Pool pH and Alkalinity

Pool owners may have similar problems, like excessive calcium hardness, out-of-control algae, or low alkalinity, especially after closing the pool. Some familiarity with the chemical science of pool water may help you address these situations meaningfully, and that will help save you time and money while gaining more enjoyment from the water. 

Below, we will uncover what pool chemicals you need for a pool and how to test your pool water chemicals.

 

What are the Pool Chemicals You Need to Know?

Below are a few of the pool water chemicals that are used to sanitize contaminated water. 

1.     Alkalinity Increasers 

Baking soda, also referred to as sodium bicarbonate, will improve your pool’s alkalinity while reducing the water’s acidity

 

2.     Calcium Hardness Increasers

These chemicals are designed to heighten your pool’s level of calcium hardness. You can also use the calcium hardness increaser, calcium chloride, if the measurements go below 150ppm.

 

3.     Filter Cleaners 

You can preserve your pool filter clean or your hot tub accessories operative by incorporating filter cleansers as required. These will disintegrate oil and other obstructions.

 

4.     Ph Adjusters

You can increase your pool’s pH level’s by adding the correct measurements of soda ash and dry acid, depending on your requirements.

 

5.     Chlorine Neutralizers 

According to the report by the CDC, an extravagant amount of chlorine can irritate your skin, lungs, and eyes. Chlorine neutralizers diminish the level of chlorine in the water, helping the owners of the pool to avoid these situations.

 

How to Test your Pool Water Chemicals? 

There are many different ways to check your pool water chemistry, some of them are using a pool testing kit, pool test strips, or using an electronic device. Each method has its pros and cons. So now let’s take a look at them one by one.

 

1.     Pool Water Chemistry Using Testing Kit 

Pool testing kits instruct users to take samples of water from the pool in order to measure color change, alkalinity, pH, and chlorine levels of the water. To utilize one of them for pool chemical water, complete:

  • Take a water sample located under 18" in the swimming pool.
  • Read the kit specifically for how to fill your test vials.
  • Make sure you rinse each test cell out.
  • Add the reagent in the correct amounts as stated in the kit's instructions to the test tubes.
  • Once all of the cells have sample color and reagent in them, take the sample and compare color to the rectangle in the test kit.· 

 

2.     Pool Water Chemistry Using Test Strips 

Test strips for the pool are a fast way to measure pH, chlorine, and alkalinity levels. Here's how to use them to test the pool chemical water:

  • Place it under the water for 2 to 3 seconds
  • Take the strip out of the water, facing the pad upwards
  • Please do not dab off any excess water which will lead to inaccurate measurements
  • Compare the strip to the colors on the package until you find the best match.

 3.     Pool Water Chemistry Using an Electronic Device 

Pool testers can connect to your smartphone or devices. However, electronic testers are expensive and not as accurate as alternatives like strips and kits. Digital testers differ widely in terms of design, quality, and instruction. Be certain to follow the instructions for your device.

 

Conclusion               

Testing alkalinity and balancing pool chemical levels in water can appear difficult; however, with the help of the right products, it can be a straightforward task. By remaining diligent in the water testing and selecting the appropriate solution, your pool will look clean, clear, and perfectly balanced all season long.

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