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Chemical Dosage Calculator

Welcome to our Swimming Pool Dosage Calculator, designed to make your water maintenance a breeze! Simply input your swimming pool, swimspa or hot tub size, and our calculator will provide you with the volume of water in gallons, litres and m3 as well as the precise dosage of chemicals needed to keep your water balanced and crystal clear.

For the safety of everyone test your water prior to entering to ensure that levels are within the recommended ranges providing a safe and enjoyable bathing experience for everyone.

If you have any problems with water care please do not hesitate to contact us or alternatively take advantage of our free water testing service in store.

Chemical Safety and Hazard Warning Tips

Read instructions on each product thoroughly before use.
Never mix different chemicals, including cleaning products, weed-killers and chlorine products as a dangerous reaction may occur.
When pre-dissolving chemicals always add chemicals to water and never vice-versa.
Always pre-dissolve chemicals in a separate dedicated clean plastic container.
Always handle chemicals in a well-ventilated area, preferably outdoors.
Never use unlabelled chemicals.
Store chemicals in a secure, dry and cool place, in their original containers and away from any sources of ignition e.g. petrol.
Keep chemicals away from children and animals.
Never smoke whilst handling chemicals.
Avoid spillage. In the event of a spillage, clean up using clean receptacles and dispose of in the pool, swimspa or hot tub. Flush area thoroughly with a large volume of fresh water.
Before disposing of empty containers, rinse them thoroughly in the pool.
Always wash hands after handling pool chemicals.

Calculate Chemical Dosage

Select Pool Type

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Pool Type

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Total Litres : Total Gallons : Total m³ :

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Opening Hours

We hold a massive stock on site and our experienced staff are here to help. We are open from:
Mon - Fri 9.00 am - 5.00 pm
Saturday 10.00 am - 4.00 pm
Bank Holidays 10.00 am - 4.00 pm
(Closed Good Friday)
Sunday And Evenings By Appointment