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
- 100 X DPD1 - Chlorine Test TabletsDPD1 - 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£11.00Out of stock
- 100 X Phenol Red - pH Test TabletsPhenol 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
- AquaSparkle Instant Filter Cleaner (500 ml)Instant Cartridge Filter cleaner will rapidly remove grease and oil from the filter cartridges. Learn More£10.95
- Blue Horizons Easy Kleen Trigger Spray (500 ml)Blue Horizons Easy Kleen Trigger Spray (500 ml) is an easy to apply cleaner for for waterline grease and grime removal around swimming pools and hot tubs. Learn More£9.95
- Blue Horizons Chlorine Reducer (1 kg)If you have dosed too much chlorine and do not wish to wait for levels to come back down to a safe zone, or dilute the water, you can use Blue Horizons Chlorine Reducer (1 kg). Learn More£9.95
- 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£8.99Out of stock - 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 - Pool and Hot Tub pH Increaser (1 kg)Perfect for soft water areas, the pH Increaser (1 kg) 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£8.95
- AquaSparkle Spa Hardness Plus (1 kg)AquaSPArkle Spa Hardness Plus is an effective product used for increasing calcium hardness levels within your hot tub water. Learn More£8.95
- Pool and Hot Tub Mini Chlorine Tablets 20g (1 kg)Highly effective, the slow dissolving Mini Chlorine Tablets 20g (1 kg) are formulated to sanitise the pool and hot tub water and ensure safe bathing by protecting against unwanted bacteria and algae. Learn More£8.95
- Pool and Hot Tub Stabilised Chlorine Granules (1 kg)Chlorine Granules (1 kg) with built in stabiliser, a superior quality sanitiser for pool or hot tub water. Learn More£8.95
- 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