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
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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 - Pool and Hot Tub Sparkle Water Clarifier (1 litre)Pool and Hot Tub Sparkle Water Clarifier (1 litre) is a high quality fast-acting liquid based water clarifier for pools or spas using cartridge based filtration. Learn More£11.95
- 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
- Hot Tub Flush (500 ml)Use Hot Tub Flush (500 ml) when changing the water to remove built up grease in the the plumbing. Should be part of your annual hot tub maintenance. Learn More£10.95
- 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 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
- 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
