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Initially, you can't. What you do to lower alkalinity is first lower the pH to under 7.2, but not lower than 6.9. Then you aerate the pool, by creating bubbles with your brush, or by running a water feature, if you have one. This will lower your alkalinity. Maintain this lower pH and aerating until you get your alkalinity where you want it. Then retest your pH. If it is now too low, you add Mule Team Borax, say a 1/4 a cup, and then retest. The borax will raise your pH without raising your alkalinity. See the poolforum.com for more help if needed.

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13y ago
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9mo ago

To lower alkalinity without affecting pH levels in a swimming pool, you can use muriatic acid or sulfuric acid. These chemicals will reduce alkalinity without impacting the pH significantly. Be sure to follow the manufacturer's instructions and test the water regularly to maintain proper balance.

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Q: How do you lower alkalinity but not change pH in a swimming pool?
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What is the chemical ALK in a swimming pool?

ALK stands for Alkalinity in a swimming pool. It measures the pool's ability to resist changes in pH, which is important for maintaining proper water balance and preventing fluctuations in acidity. Proper alkalinity levels help to ensure that pool water stays clear and comfortable for swimmers.


What is the difference between pool alkalinity and pH, and how do they affect the overall balance of a swimming pool?

Pool alkalinity refers to the ability of the water to resist changes in pH levels, while pH measures the acidity or basicity of the water. Alkalinity helps stabilize pH levels, as it acts as a buffer. Maintaining proper alkalinity and pH levels is crucial for the overall balance of a swimming pool, as it ensures water clarity, prevents corrosion of pool equipment, and provides a comfortable swimming environment.


What will result if sodium bicarbonate is used to lower ph in a swimming pool?

Using sodium bicarbonate to lower pH in a swimming pool is not effective. Sodium bicarbonate, or baking soda, is typically used to raise pH levels in pools. To lower pH in a pool, an acid such as muriatic acid or sodium bisulfate should be used.


How does the pool pH level affect alkalinity in swimming pools?

The pH level of a pool affects the alkalinity by influencing the stability of the pool water. When the pH level is too high or too low, it can lead to fluctuations in the alkalinity levels, making it harder to maintain a balanced pool environment. Keeping the pH level within the recommended range helps to stabilize the alkalinity, ensuring the pool water remains clear and safe for swimming.


Does shocking pool increase alkalinity?

Shocking a pool with products like chlorine can actually lower the pH and alkalinity levels of the pool water temporarily. It is recommended to test the water and adjust the alkalinity levels if necessary after shocking the pool to maintain proper water balance.

Related questions

How could HCI be used in a swimming pool?

To adjust pH and/or lower alkalinity.


If you have a good alkalinity with mains water what would lower it in a swimming pool with out the addition of chemicals.?

Add rain water this has very low alkalinity


How do you lower the alkilinity of a swimming pool?

You have to know what you are doing. The addition of muriatic acid lowers the pH and total alkalinity in swimming pools.


Is alkalinity dangerous for humans in swimming pools?

Alkalinity is not an actual "chemical", however if you are concerned about increasing the alkalinity in your swimming pool, you are perfectly safe. The chemical that increases "total alkalinity" in a swimming pool, is only baking soda. It wil not harm the human body!


Why add hydrochloric acid to swimming pool?

Reduces alkalinity of swimming pool water (softens hard water)


What is the chemical ALK in a swimming pool?

ALK stands for Alkalinity in a swimming pool. It measures the pool's ability to resist changes in pH, which is important for maintaining proper water balance and preventing fluctuations in acidity. Proper alkalinity levels help to ensure that pool water stays clear and comfortable for swimmers.


What is the difference between pool alkalinity and pH, and how do they affect the overall balance of a swimming pool?

Pool alkalinity refers to the ability of the water to resist changes in pH levels, while pH measures the acidity or basicity of the water. Alkalinity helps stabilize pH levels, as it acts as a buffer. Maintaining proper alkalinity and pH levels is crucial for the overall balance of a swimming pool, as it ensures water clarity, prevents corrosion of pool equipment, and provides a comfortable swimming environment.


What will result if sodium bicarbonate is used to lower ph in a swimming pool?

Using sodium bicarbonate to lower pH in a swimming pool is not effective. Sodium bicarbonate, or baking soda, is typically used to raise pH levels in pools. To lower pH in a pool, an acid such as muriatic acid or sodium bisulfate should be used.


How does the pool pH level affect alkalinity in swimming pools?

The pH level of a pool affects the alkalinity by influencing the stability of the pool water. When the pH level is too high or too low, it can lead to fluctuations in the alkalinity levels, making it harder to maintain a balanced pool environment. Keeping the pH level within the recommended range helps to stabilize the alkalinity, ensuring the pool water remains clear and safe for swimming.


Will adding a flocculant to the pool water lower the Total Alkalinity?

No


What household item can be used to lower pool Alkalinity?

baking soda


What causes Bumps jthat are forming on swimming pool surface?

pH and total alkalinity out of balance.