What is The Ideal pH and Chlorine Values for Good Water Quality?


Maintaining the correct chemical balance in your swimming pool is essential to keep the water clean and sparkling. It will also help prevent damage to your pool systems like heater, pump, and other components. The important element to balance is the pH level, which measures acidity in your pool water.

When you test your water with a pH test kit, you will see on the scale that the standard level is from 0 to 14. However, if the pH is below 7.0, then your pool water is considered acidic. The ideal level is between 7.4 to 7.8 because this is the same pH level of our eyes and mucous membranes. Also, a pH level of 7.4 is good for chlorine disinfection.

Common types of chlorine compounds that may provide organic or inorganic chlorine

The most popular organic chlorine is trichlorisocyanuric acid and is commonly used for weekly chlorination. You can also use dichlorisocyanuric acid, an alternative option since it dissolves quickly and is suitable for small pools.

Another option is inorganic chlorine, which is available in either powdered (calcium hypochlorite) or liquid (sodium hypochlorite) form, and it is good for daily maintenance. When you dosed inorganic or organic chlorine into your pool, it will eliminate the contaminants and bacteria in it. However, the smell of chlorine may cause eye irritation and may even affect your mucous membrane.

Therefore, it is essential to reduce the combined chlorine by using chemicals and compounds that can lower chloramines. Although chlorine is naturally consumed in the pool, several factors can affect the rate of consumption. These will include bathing frequency, sunlight, water temperature, and pool size.

If you want to test your pool’s chlorine content, you will need to use a test kit. Most of the kits available on the market will only measure the free chlorine content, but some can also measure the combined chlorine. The total chlorine is the sum of all chlorine content.

When to check pool chemical levels

Pool professionals recommend that you check your pool’s chemical levels at least two to three times a week. However, several factors may affect the accuracy of your test kit, and these include the following:

  • Rainfall
  • Pool temperature
  • Surrounding air and debris that fall into your pool

That is why it is a must to always check your test kit’s manual since this will provide you with some important info and tips on how to effectively test your pool water.

Hiring a professional pool cleaning service

Balancing the water of your pool is essential, but it will require you to work with a number of chemicals, which will take time and effort. Check out our DIY cleaning guide for more details. However, you have the option to hire a professional pool cleaning service that will maintain your pool on a weekly or monthly basis. They will also have a team that will balance your pool so you can enjoy it more, especially during summer.

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