Chlorine Water Treatment

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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

** 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 tablets that can be delivered without a hazardous goods charge.


Stabilised chlorine in tablet form (Sodium Trichloroisocyanurate). Used with a small floating dispenser, tablets erode slowly over 3-5 days.

NOTE: Hazardous goods can only be sent on a two day delivery service and next day delivery is not available unfortunately.
£20.00

** 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 tablets that can be delivered.



Stabilised Chlorine in tablet form (Sodium Trichloroisocyanurate). Can be used in skimmer basket or in a floating dispenser.


NOTE: Hazardous goods can only be sent on a two day delivery service and next day delivery is not available unfortunately.
£20.00

Pool & Hot Tub Chlorine Water Treatment

All Swim stock a complete range of both quality swimming pool and hot tub chlorine water treatment products, in addition to our own brand we also supply other major brands including Aquasparkle, Blue Horizons, Gold Horizons, HTH and Lo-Chlor.

All chemicals are held in stock and available for next working day delivery (UK mainland).

Chlorine & Bromine – quick dissolving granules and tablets plus liquid chlorine for a range of pools and hot tubs. 
Algaecides – preventing unsightly algae with both long life and weekly dosed algaecides.
Dosing Systems – semi-automatic, constant rate and proportional rate dosing.
Chlorine Free Chemicals – for both swimming pools and hot tubs.
Starter Kits – a complete kit to help with treating water for the first time or at the start of a new season.
Water Balancing Chemicals – for total water management.


If you are unsure of any element of water treatment or dosing our experienced team are always on hand to offer help and advice on all elements of regular water treatment or problem solving - for further help and advice please do not hesitate to contact us on either 029 20 705059 or alternatively complete our enquiry form.

Swimming Pool Chemical Safety

  • Read Instructions on each swimming pool chemical product thoroughly before use
  • Never mix different swimming pool chemicals
  • When pre-dissolving chemicals, always add chemicals to water and never vice versa
  • Always pre-dissolve chemicals in a clean plastic container
  • Always handle your swimming pool chemicals in a well-ventilated area, preferably outdoors
  • Never use unlabelled swimming pool chemicals
  • Store all swimming pool chemicals in a secure, dry and cool place
  • Keep chemicals away from children and animals
  • Avoid spillage
  • In the event of a spillage, clean up using clean receptacles and dispose of in the pool. Flush area thoroughly with large volume of fresh water
  • Before disposing of empty containers, rinse them thoroughly in the pool
  • Always wash hands after handling pool chemicals

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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

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