Swimming Pool Spring Opening Chemicals

Spring is the perfect time to open your pool and get ready for a new season of swimming. At All Swim, we offer a wide range of pool opening chemicals and supplies to help you get started. From shock treatments and algaecides to testing kits and equipment, we have everything you need to prepare your pool for a safe and enjoyable swim season.

Our team of pool experts is always on hand to provide helpful advice and guidance, whether you're a seasoned pool owner or a first-timer. For initial help and advice on how to open your pool please click here to view our blog .

For any further advice on opening your swimming pool this Spring 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