Hot Tub Chemicals

Hot Tub Chemicals for Crystal Clear & Healthy Water

Shop our extensive range of high-quality hot tub chemicals online, delivered to your door with fast, next-day UK shipping. We stock only trusted, top-brand products at some of the best prices in the market.

New to Hot Tub Chemicals?

If you're just getting started, our affordable starter kits are perfect for beginners. Use our symptom-based shopping filters to find the right products for your specific hot tub needs, without the guesswork. Check out our easy-to-follow guide for using simple guide to using hot tub chemicals and take a look at our easy to use hot tub chemical starter kits

Experienced Hot Tub Owners

For seasoned users, we offer a wide selection of refills for sanitiserswater balancerstesting and cleaning supplies to maintain and troubleshoot your hot tub effortlessly.

Hot Tub Chemicals from Pool Pro and other leading brandsHot Tub Chemicals from Pool Pro and other leading brands
Hot Tub Chemicals from Pool Pro and other leading brands

Basics to help get your started - Featured hot tub chemicals from Pool Pro

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  1. Aquablanc Spa Starter Kit

    The Non-chlorine Aquablanc Spa Starter Kit contains everything you need to convert to the Aquablanc Active Oxygen system and is suitable for all types of hot tubs, including inflatable spas. For pure and gentle hot tub water.

    Learn More
    £57.95
    Out of stock
  2. -10%
    Basic Hot Tub Chemical Kit (with 1 kg Bromine Tablets)
    A basic hot tub chemical kit, ideal for inflatable or hard shell hot tubs. Contains Bromine Tablets, pH Plus, pH Minus and Test Strips. Everything you need for day to day maintenance, in a larger pack size. Learn More
    Regular Price £59.79 Special Price £54.00
  3. -10%
    Basic Hot Tub Chemical Kit (with 2.5 kg Mini-Chlorine Tablets)
    A basic hot tub chemical kit, ideal for inflatable or hard shell hot tubs. Contains Chlorine Tablets, pH Plus, pH Minus and Test Strips. Everything you need for day to day maintenance. Learn More
    Regular Price £56.79 Special Price £51.00
  4. -10%
    Basic Hot Tub Chemical Kit (with 1 kg Chlorine Tablets)

    A basic hot tub chemical kit, ideal for hard shell hot tubs and small pools, up to 8ft. Everything you need for day to day maintenance. The kit contains:

    • 1 x Pool and Hot Tub Mini Chlorine Tablets 20g (1 kg) 
    • 1 Pool Floating Chemical Dispenser (Small Tablets)
    • 1 x Pool and Hot Tub pH Increaser (1 kg)
    • 1 x Pool and Hot Tub pH Reducer (1.5 kg)
    • 50 x AquaChek Test Strips (Chlorine)
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    Regular Price £40.79 Special Price £36.75
  5. -10%
    Basic Hot Tub Chemical Kit (with 1 kg Chlorine Granules)

    A basic hot tub chemical kit, ideal for acrylic, inflatable or vinyl spas, and starter kit for a small pool. The KIT contains:

    • 1 x Pool and Hot Tub Stabilised Chlorine Granules (1 kg)
    • 1 x Pool and Hot Tub pH Increaser (1 kg)
    • 1 x Pool and Hot Tub pH Reducer (1.5 kg)
    • 50 x AquaChek Test Strips (Chlorine)
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    Regular Price £35.84 Special Price £32.25
  6. 250 X Phenol Red - pH Test Tablets
    Phenol Red - Rapid dissolving test tablets for measuring the pH levels in swimming pools and hot tubs. Box of 250 tablets. Learn More
    £24.95
    Out of stock
  7. 250 X DPD1 - Chlorine Test Tablets
    DPD1 - Chlorine Test Tablets - Rapid dissolving test tablets for measuring the free chlorine levels in swimming pools and hot tubs. Box of 250 tablets. Learn More
    £24.95
    Out of stock
  8. Aquablanc 3 Way Active Oxygen Test Strips (50 strips)
    3 way test strips for testing Active Oxygen, Total Alkalinity and pH levels. NOT for use in Chlorine or other sanitiser based pools and spas. For use with Active Oxygen sanitiser only. Learn More
    £14.95
    Out of stock
  9. 100 X Phenol Red - pH Test Tablets
    Phenol Red - Rapid dissolving test tablets for measuring the pH levels in swimming pools and hot tubs. 10 Strips x 10 tablets. Learn More
    £11.00
  10. 100 X DPD1 - Chlorine Test Tablets
    DPD1 - Chlorine Test Tablets - Rapid dissolving test tablets for measuring the free chlorine levels in swimming pools and hot tubs. 10 Strips x 10 tablets. Learn More
    £11.00
    Out of stock
  11. AquaChek Bromine Test Strips (50 Strips)

    Use AquaChek Bromine Test Strips (50 Strips) for testing the pool or hot tub water. 4 important test results in just one dip, and get test results in just seconds!

    Learn More
    £8.99
    Out of stock
  12. AquaChek Test Strips (Chlorine - 50 Strips)

    Use AquaChek Chlorine Test Strips (50 Strips) for testing the pool or hot tub water. 4 important test results in just one dip, and get test results in just seconds!

    Learn More
    £8.99
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