Pool Chlorine
We have some of the UK's best value deals on swimming pool chlorine. We only sell Chlorine from tried and tested manufacturers, all of which is packaged here in the UK. If you use a lot of chlorine, please check out the bulk pool chlorine buying section.
How to use swimming pool Chlorine
Swimming pool chlorine is the most commonly used sanitising agent to keep your pool or spa fresh and clean by breaking down impurities and bacteria. For healthy bathing, chlorine needs to be added until it is present as 'free chlorine'. This is the stage reached after all the impurities have been broken down and further chlorine has been added.
- Ideally, the amount of free chlorine should never fall below 1 part per million (ppm). For most private pools, we recommend a free chlorine level of between 1 and 1.5 ppm.
- For larger, frequently used pools, we recommend 2 to 3 ppm.
- Please note: Always use chlorine test strips before use for safe bathing and your pool's dosing requirements.
What type of swimming pool Chlorine do I need?
Pool chlorine is sold in various forms; liquid, tablets, or granulated.
- Pool chlorine granules are fast dissolving and used to give you an instant boost to your chlorine levels and are often used in conjuntion with tablets.
- Pool chlorine tablets are slow dissolving to give you a gradual release and ongoing protection for 5 to 10 days depending on the water flow over the tablet (how often your pump is on).
- Liquid chlorine (Sodium Hypochlorite, often referred to as Hypo) is a non stablished pool chlorine shock product, usually used in larger or commercial pools.
For help and advice with regards how to use swimming pool chlorine, please contact us via email or our help line.
Swimming Pool Chlorine from Pool Pro - Trusted by Professionals
- Basic Hot Tub Chemical Kit (with 2.5 kg Mini-Chlorine Tablets)A basic hot tub chemical kit, ideal for inflatable or hard shell hot tubs. Contains Chlorine Tablets, pH Plus, pH Minus and Test Strips. Everything you need for day to day maintenance. Learn MoreRegular Price £56.79 Special Price £51.00
- Pool and Hot Tub Multifunctional Mini Chlorine Tablets 20g (5 kg)Highly effective slow dissolving stabilised Multifunctional Chlorine Tablets 20g (5 kg), with added clarifiers and algaecides for extra protection against algae growth in the pool or spa water. Learn More£39.95
- Pool and Hot Tub Mini Chlorine Tablets 20g (5 kg)Highly effective, the slow dissolving Mini Chlorine Tablets 20g (5 kg) are formulated to sanitise the pool and hot tub water and ensure safe bathing by protecting against unwanted bacteria and algae. Learn More£37.95
- 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 - 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
- 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 - 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
- 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
- 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 Multifunctional Chlorine Granules (2 kg)
Fast acting, pool water sanitiser for pools, hot tubs and swim spas. Also contains clarifiers and algaecides. Protection against unwanted bacteria, algae growth, and cloudy water in one product.
Learn More£22.95 - 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
- 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