Hot Tub Chemicals

Hot Tub Chemicals for Crystal Clear & Healthy Water

Discover our premium range of hot tub chemicals, available for fast, next-day UK delivery straight to your door. Alternatively, visit our store for expert advice and product recommendations. We offer only trusted, top-brand products at competitive prices to help you maintain your hot tub with ease.

New to Hot Tub Chemicals?

If you’re new to hot tub care, our affordable starter kits are the perfect way to get started. With our symptom-based shopping filters, you can easily find the right products for your specific hot tub needs—eliminating the guesswork. Be sure to check out our simple, step-by-step guide on how to use hot tub chemicals and browse our beginner-friendly hot tub chemical starter kits to make maintenance a breeze.

Experienced Hot Tub Owners

For seasoned hot tub enthusiasts, we have a comprehensive selection of refills, sanitisers, water balancers, testing tools, and cleaning supplies—everything you need to keep your hot tub in top condition. Stock up on the essentials to maintain and troubleshoot your hot tub effortlessly.

Shop Now and keep your hot tub water sparkling clean, healthy, and ready for relaxation!

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. -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)
    Learn More
    Regular Price £35.84 Special Price £32.25
  2. Pool and Hot Tub pH Reducer (7 kg)
    Perfect for hard water areas, the pH Reducer (7 kg), sometimes referred to as pH Minus or Dry Acid, lowers the pool or hot tub pH water level. A quick and efficient way to prevent or cure the problems caused by high pH. Learn More
    £15.95
  3. Pool and Hot Tub pH Reducer (1.5 kg)
    Perfect for hard water areas, the pH Reducer (1.5 kg) lowers the pool or hot tub pH water level. A quick and efficient way to prevent or cure the problems caused by high pH. Learn More
    £8.95
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