Spa Water pH Increaser

AquaPure Spa pH Increaser raises the pH & Total Alkalinity of your Spa water and acts as a pH buffer, a low alkalinity may cause pool water to be corrosive and the pH level is difficult to maintain.

Test the pH of your spa water and if it is below 7.2 use the Aqua~Pure Spa pH increaser to raise it. Pool water treated with our product will have a pH that is most comfortable to swim In, whilst also preventing corrosion and scaling.

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  • Maintaining proper water balance in your pool is critical to its overall health and longevity. Water balancers are products designed to help you achieve the correct alkalinity, hardness, and pH levels in your pool water. Alkalinity increaser (sodium bicarbonate), hardness increaser (calcium chloride), pH increaser (sodium carbonate), and dry acid (sodium bisulphate) are the most common.
    Long shelf life.
    Totally soluble.
    Is a non-hazardous chemical.
    Excellent at buffering the pH of spa water.
    Will not affect the pH or total alkalinity.


Benefits of our product include increasing the levels of alkalinity to ensure perfect water balance for crystal clear water and a great bathing experience.

  • Has a shelf life of several years if stored in cool, dry conditions.

  • Totally soluble in any water conditions.

  • Is a non-hazardous chemical.

  • Excellent at buffering the pH of spa water at a level comfortable for bathing and appropriate for chlorine disinfection.

Available Pack Sizes:

Product Part Number Pack Size
381021 1KG
381019 1.5KG


  •   What is AquaPure Spa pH Increaser and why use it in my Spa?

    AquaPure Spa pH Increaser, also known as pH Buffer, is a chemical compound often used to raise the Total alkalinity & pH of Spa water. It helps stabilise the pH levels and prevents rapid pH fluctuations, ensuring a more balanced and comfortable bathing environment.

  •   Is it safe to swim immediately after adding Spa pH Increaser?

    Yes, it is generally safe to swim shortly after adding Spa pH Increaser to your Spa. Unlike some other pool chemicals, Spa pH Increaser is relatively mild and non-toxic. However, it's a good practice to wait for at least an hour after adding any pool chemicals to allow for proper dispersion and mixing in the water. Additionally, you should always test the water's alkalinity & pH levels and ensure they are within the recommended range before allowing swimmers back into the Spa.

  •   How often should I adjust my spas pH & alkalinity with AquaPure Spa pH Increaser?

    The frequency of adjusting your pool's alkalinity & pH depends on various factors, including water usage, weather conditions, and pool chemicals. Generally, you should test pH & alkalinity levels every week and make adjustments as needed to maintain a balanced swimming environment.

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