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 sanitisers, water balancers, testing and cleaning supplies to maintain and troubleshoot your hot tub effortlessly.
Basics to help get your started - Featured hot tub chemicals from Pool Pro
- Pool and Hot Tub Bromine Tablets (5 kg)Highly effective sanitiser for pool or hot tub water, the slow dissolving Bromine Tablets (5 kg) will ensure perfect bathing conditions. Learn More£104.95
- Bromine Infused Granules (5kg)A highly effective sanitiser, the fast dissolving Spa Bromine Infused Granules (5kg) are specially formulated to kill and prevent bacteria in your hot tub water. Learn More£64.95
- 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 MoreRegular Price £59.79 Special Price £54.00
- 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 MoreRegular Price £56.79 Special Price £51.00
- Pool and Hot Tub Multifunctional Mini Chlorine Tablets 20g (5 kg)Highly effective slow dissolving stabilised Multifunctional Chlorine Tablets 20g (5 kg), with added clarifiers and algaecides for extra protection against algae growth in the pool or spa water. Learn More£39.95
- Pool and Hot Tub Mini Chlorine Tablets 20g (5 kg)Highly effective, the slow dissolving Mini Chlorine Tablets 20g (5 kg) are formulated to sanitise the pool and hot tub water and ensure safe bathing by protecting against unwanted bacteria and algae. Learn More£37.95
- 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)
Regular Price £40.79 Special Price £36.75 - Pool and Hot Tub Multifunctional Chlorine Granules (5 kg)A top-quality sanitiser for swimming pool and hot tub water the Multifunctional Chlorine Granules (5 kg) contain algicide and flocculant (clarifier) for extra protection against algae growth. Learn More£32.95
- 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)
Regular Price £35.84 Special Price £32.25 - Pool and Hot Tub Stabilised Chlorine Granules (5 kg)Chlorine Granules (5 kg) with built in stabiliser, a superior quality sanitiser for pool or hot tub water. Learn More£29.95
- Pool and Hot Tub Multifunctional Mini Chlorine Tablets 20g (2.5kg)Highly effective slow dissolving stabilised Multifunctional Chlorine Tablets 20g (2.5kg), with added clarifiers and algaecides for extra protection against algae growth in the pool or spa water. Learn More£27.95
- Pool and Hot Tub Bromine Tablets (1 kg)Highly effective sanitiser for pool or hot tub water, the slow dissolving Bromine Tablets (1 kg) will ensure perfect bathing conditions. Learn More£25.95