Swimming Pool Winterising Chemicals

As the swimming season draws to a close, it's important to properly close and winterise your pool to protect it from the elements. All Swim offers a variety of pool closing supplies and equipment to help you get the job done right.

Our pool experts are always available to provide helpful advice and guidance on the best methods for winterising your pool, ensuring that you can enjoy a stress-free start to the next swim season. For initial help and advice on how to winterise your pool please click here to view our blog.

For any further advice on swimming pool winterisation please do not hesitate to contact us.

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** Please Note: This is a Hazardous Chemical and will incur an additional £30.00 hazardous goods delivery surcharge at checkout, Charge is once per delivery and not per product**


Click here to view alternative Calcium Hypochlorite/Shock Chlorine that can be delivered without a hazardous goods charge.


These non stabilised chlorine granules are ideal for shock dosing or regular oxidisation of swimming pool water. However, they may also be used for routine disinfection. Calcium Hypochlorite with Min 65% available chlorine.


NOTE: Hazardous goods can only be sent on a two day delivery service and next day delivery is not available unfortunately.
Chemical Safety Information
£32.00

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2024 All Swim Catalogue
A.J & J.L Veysey | Company registration no: 1061642 | VAT no: GB133 4078 90
All Swim Ltd, Units 3-5 Link Trade Park, Penarth Road, Cardiff CF11 8TQ