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
-
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 - Blue Horizons Natural Stain Remover (1 kg)Blue Horizons Stain Remover is an all natural stain remover that works on all surfaces including vinyl & fibreglass. Removes both metal & organic stains. Learn More£14.95Out 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
- 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 - Pure Spa Salt (5 kg)Pure Spa Salt is an environmentally friendly natural salt, perfect to use with a salt water sanitising system, for a soft, fresh and clean pool or hot tub water. Learn More£12.95Out of stock
- 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
- Scale Inhibitor for Pool and Hot Tub (1 litre)Pool and Hot Tub ScaleAway (1 litre) - Specially formulated to prevent and remove limescale deposits from pools and hot tubs. Learn More£11.95
- 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
- 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
