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!
Basics to help get your started - Featured hot tub chemicals from Pool Pro
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Pool and Hot Tub Stabilised Chlorine Granules (2 kg)Chlorine Granules (2 kg) with built in stabiliser, a superior quality sanitiser for pool or hot tub water. Learn More£14.95Out of stock - Gold Horizons Spa Rapid Filter Kleen Spray (500 ml)Gold Horizons Spa Rapid Filter Kleen Spray rapidly removes greases and grime, with a convenient no soak formula. Learn More£14.95Out of stock
- Pool and Hot Tub pH Increaser (5 kg)Perfect for soft water areas, the pH Increaser (5 kg), sometimes referred to as pH Plus or Soda Ash, raises the pool or hot tub pH water level. A quick and efficient way to prevent or cure the problems caused by low pH. Learn More£14.95
- Gold Horizons Spa Foam Free Spray (500 ml)Gold Horizons Spa Foam Free Spray is a fast acting foam reducer with a convenient trigger spray for targeted application. Learn More£14.10
- 1kg Multifunctional Chlorine Mini Tablets 20g for Pools and Hot Tubs
Poolpro 1kg Stabilised Multifunctional Small Chlorine Tablets 20g for small pools, hot tubs and swim spas. Highly effective slow dissolving tablets, with added clarifiers and algaecides. Ideal to maintain the pool or spa water in perfect condition and prevent algae growth.
Learn More£13.95 - Pool and Hot Tub TA Increaser (5 kg)Use TA Increaser (5 kg) to raise the level of total alkalinity in pool or hot tub water, ensuring bather comfort and avoiding long term damage to equipment. Learn More£13.95
- Pure Spa Salt (5 kg)Pure Spa Salt is an environmentally friendly natural salt, perfect to use with a salt water sanitising system, for a soft, fresh and clean pool or hot tub water. Learn More£12.95Out of stock
- AquaSparkle Surface Cleaner (1 litre)AquaSPArkle Spa Surface Cleaner is a highly effective liquid cleaner used to remove oils and greases around the spa waterline. Learn More£12.95
- Pool and Hot Tub Chlorine Shock Granules (1 kg)Perfect for shock dosing pool or hot tub water, the Chlorine Shock Granules (1 kg) are an effective way to deal with water problems and restore clear, sparkling water. Learn More£12.95
- Scale Inhibitor for Pool and Hot Tub (1 litre)Pool and Hot Tub ScaleAway (1 litre) - Specially formulated to prevent and remove limescale deposits from pools and hot tubs. Learn More£11.95
- 1L Surface Cleaner for Hot Tubs and Swim Spas
SPAPRO Surface Cleaner 1ltr for Hot Tubs and Swim Spas, is a highly effective liquid cleaner ideal to remove oils and greases around the spa waterline.
Learn More£11.95 - Pool and Hot Tub Filter Cartridge Cleaner (1 litre)Pool and Hot Tub Filter Cartridge Cleaner is specially formulated to remove dirt and grease from cartridge filters, increasing the lifespan and reducing the need to replace filters quite so regularly. Ideal for cleaning hot tub filters. Learn More£11.95
