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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Aquablanc Spa Starter KitThe Non-chlorine Aquablanc Spa Starter Kit contains everything you need to convert to the Aquablanc Active Oxygen system and is suitable for all types of hot tubs, including inflatable spas. For pure and gentle hot tub water.
Learn More£57.95Out of stock - -10%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 - 250 X Phenol Red - pH Test TabletsPhenol Red - Rapid dissolving test tablets for measuring the pH levels in swimming pools and hot tubs. Box of 250 tablets. Learn More£24.95Out of stock
- 250 X DPD1 - Chlorine Test TabletsDPD1 - Chlorine Test Tablets - Rapid dissolving test tablets for measuring the free chlorine levels in swimming pools and hot tubs. Box of 250 tablets. Learn More£24.95Out of stock
- Aquablanc 3 Way Active Oxygen Test Strips (50 strips)3 way test strips for testing Active Oxygen, Total Alkalinity and pH levels. NOT for use in Chlorine or other sanitiser based pools and spas. For use with Active Oxygen sanitiser only. Learn More£14.95Out of stock
- 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
- 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 - 30 X Phenol Red - pH Test TabletsPhenol Red - Rapid dissolving test tablets for measuring the pH levels in swimming pools and hot tubs. 3 Strips x 10 tablets. Learn More£3.60
- 30 X DPD1 - Chlorine Test TabletsDPD1 - Chlorine Test Tablets - Rapid dissolving test tablets for measuring the free chlorine levels in swimming pools and hot tubs. 3 Strips x 10 tablets. Learn More£3.60Out of stock
- 10 X DPD1 - Chlorine Test TabletsDPD1 - Chlorine Test Tablets - Rapid dissolving test tablets for measuring the free chlorine levels in swimming pools and hot tubs. 1 Strip x 10 tablets. Learn More£1.40Out of stock
- Used For Testing Remove This Item
- Used In Small Pools Remove This Item