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 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 - -10%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 - -10%Speciality Hot Tub Chemical Kit
This chemical kit bundle is ideal for hot tubs and swim spas, and has excellent value. It will assist in preventing scale build up, unwanted foam during use, and restore clarity after the water goes cloudy.
Learn MoreRegular Price £35.85 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
- Gold Horizons Spa Super Cleanse (10 x 20 g Tablets)Gold Horizons Spa Super Cleanse is a highly effective and powerful spa pipework cleaner which removes biofilm. Learn More£27.95
- 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
- -10%Pool and Hot Tub Cartridge Filter Cleaning Kit - Collection Only
Cartridge Cleaning Kit for Pool and Spas Cartridge Filters, perfect for cleaning and degreasing between the filters pleats, extending the lifespan of the filter and reducing expenses when compared to simply replacing the filters. The KIT includes:
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1 x Pool and Hot Tub Filter Cartridge Cleaner (1 litre)
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1 x 27 L Plastic Bucket with Lid and Wire Handle
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1 x Cleaner Brush for Cartridge Filters
Please note: COLLECTION FROM STORE ONLY.
Learn MoreRegular Price £28.94 Special Price £26.00 -
- 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
- Pool and Hot Tub Mini Chlorine Tablets 20g (2.5 kg)
Highly effective, the slow dissolving Mini Chlorine Tablets 20g (2.5kg) are formulated to sanitise the pool and hot tub water and ensure safe bathing by protecting against unwanted bacteria and algae.
Learn More£24.95 - 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 O² Tablets (20 g - 1 kg)Active Oxygen Tablets for chlorine-free spa water treatment. To be used in conjunction with Aquablanc A Combination Liquid. Learn More£23.95
