Spa pH & Alkalinity Reducer (Lowers Spa PH)


(6 customer reviews)
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Product Description

Correct pH and Alkalinity balance is vital to ensure comfortable bathing conditions, maximum efficiency from the sanitizer and to help maintain the fabric of the spa and hot tub.

So how do you know your on the right track:

  • Correct pH reading should be 7.4 – 7.6
  • Total Alkalinity between 80 – 150 ppm
  • Getting your spa water within the right parameters will ensure your primary sanitizer works more effectively.

1. Use a good quality test kit to determine the pH and/or the Total Alkalinity reading.
2. To reduce pH readings add 10 g per 1000 ltrs of Spa and Hot Tub water sprinkling product directly to the water with circulation on. This application will lower the pH by approximately 0.2
3. Only make one addition of pH and Alkalinity Reducer at a time and always re-test the water, should a further addition be required please follow step 1 again.
4. To reduce Total Alkalinity add 15 g per 1000 ltrs of Spa and Hot Tub water with circulation on. Add product to the deepest point of the Spa / Hot Tub in one application. This application will lower the Total Alkalinity by approximately 10 – 20 ppm (mg/l)
5. Always re-test the water after each application.


• Always ensure bathers are out of the water when adding chemicals.
• Never mix with any other chemicals including cleaning products, weed killers and chlorine products, as a dangerous reaction may occur.
• Always handle products in a well-ventilated area.
• Always wash hands thoroughly after handling chemicals.
• Store in a cool, dry, well ventilated, secure place. Ensure chemicals do not become damp in storage.
• Instructions and dosages given are a guide to most effective use.


• This container must not be used or contaminated with any other materials.

Additional Information

Weight1.5 kg
Dimensions105 × 105 × 200 cm

1.5kg, 5kg, 7kg

Pack Of

1, 6, 12, 2

6 reviews for Spa pH & Alkalinity Reducer (Lowers Spa PH)

  1. Leanne A (verified owner)

    Does what is says on the tin, fast service, fast delivery and great price. Ordered a load of products off the website and found it easy to use.

  2. Darren S (verified owner)

    Good quality product, speedy delivery, and good price.

  3. Sarah E (verified owner)

    I’ve bought a few other products from these people and all have been great, so widen what I was buying and bought some ph and alkalinity reducer and all is well, its really helping balance my water correctly. Good Job spachem

  4. Tony (verified owner)

    Ok just as expected. What else is there to say

  5. David S (verified owner)

    Gavin at spachem has been the most helpful with choosing products delivery was exceptional and customer service just brilliant will definitely be using this company again

  6. Robert (verified owner)


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