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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Full description


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.

How to Use:

AquaPure Spa pH Increaser can be added to the Spa water in two ways, either, Add the product directly into the water prior to use or mix it in a bucket of water as per the label instructions and then pour the solution around the perimeter of the Spa.

Allow pump to run 4 hours prior to re-testing.

Dosage Rate: 15gm will raise the Total Alkalinity by 10ppm per 1000L spa Water.

  • Monitor Alkalinity Levels: While Spa pH Increaser targets pH, it can also influence Alkalinity levels to some extent. As you adjust pH using Spa pH Increaser, keep an eye on your Spas Total Alkalinity. If you notice the TA drifting too high, you might need to use Spa pH Decreaser to maintain a balanced level. Regularly testing and maintaining both alkalinity and pH levels will help ensure a stable and comfortable swimming environment.

  • Gradual Adjustment: When adding Spa pH Increaser to your Spa to raise pH, it's important to make gradual adjustments. Avoid adding large amounts all at once, as this can lead to overshooting the desired alkalinity & pH level. Instead, add a portion of the recommended amount, allow the water to circulate, and mix thoroughly, then retest and repeat the process as needed until you reach the target pH & alkalinity range.

  • Maintain Proper Circulation: After adding Spa pH Increaser to your Spa, ensure that your spas filtration system runs for several hours. Proper circulation helps distribute the Spa pH Increaser evenly throughout the pool water, aiding in achieving consistent levels.

  • Always remove the spa cover for at least 1 hour after the addition of any spa chemical.


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