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 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 - Pool and Hot Tub Chlorine Shock Granules (2 kg)Perfect for shock dosing pool or hot tub water, the Chlorine Shock Granules (2 kg) are an effective way to deal with water problems and restore clear, sparkling water. Learn More£21.95Out of stock
- Pool Leak Sealer (1 litre)Highly concentrated, Leak Sealer (1 litre) is a rapid acting product that will seal minor leaks in pools and hot tubs without having to drain the water. Learn More£21.95
- Pool and Hot Tub Non-Chlorine Shock Granules (1 kg)An ideal chlorine free alternative for shock dosing pool or hot tub water, the Non-Chlorine Granules (1 kg) are an effective way to deal with water problems without raising the chlorine level. Learn More£18.95
- Pool and Hot Tub Bromine Granules (1 kg)Highly effective sanitiser, the fast dissolving Bromine Granules (1 kg) are specially formulated to disinfect the pool or hot tub water. Learn More£18.95
- Pool and Hot Tub pH Reducer (7 kg)Perfect for hard water areas, the pH Reducer (7 kg), sometimes referred to as pH Minus or Dry Acid, 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£15.95
- Pool and Hot Tub Stabilised Chlorine Granules (2 kg)Chlorine Granules (2 kg) with built in stabiliser, a superior quality sanitiser for pool or hot tub water. Learn More£14.95Out of stock
- Pool and Hot Tub pH Increaser (5 kg)Perfect for soft water areas, the pH Increaser (5 kg), sometimes referred to as pH Plus or Soda Ash, 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£14.95
- Pool and Hot Tub TA Increaser (5 kg)Use TA Increaser (5 kg) to raise the level of total alkalinity in pool or hot tub water, ensuring bather comfort and avoiding long term damage to equipment. Learn More£13.95
- 1kg Multifunctional Chlorine Mini Tablets 20g for Pools and Hot Tubs
Poolpro 1kg Stabilised Multifunctional Small Chlorine Tablets 20g for small pools, hot tubs and swim spas. Highly effective slow dissolving tablets, with added clarifiers and algaecides. Ideal to maintain the pool or spa water in perfect condition and prevent algae growth.
Learn More£13.95 - Pool and Hot Tub Chlorine Shock Granules (1 kg)Perfect for shock dosing pool or hot tub water, the Chlorine Shock Granules (1 kg) are an effective way to deal with water problems and restore clear, sparkling water. Learn More£12.95
- 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
- Used In Small Pools Remove This Item
- Brand Pool Pro Remove This Item