Question 1

What chemicals does a swimming pool need?

Accepted Answer

A sanitiser, pH balancers, alkalinity increaser, calcium hardness increaser, weekly shock, an algaecide and a test kit. These cover every routine plant room decision.

Question 2

How often should pool water be tested?

Accepted Answer

Domestic pools weekly with strips, holiday lets daily and commercial sites three times a day with a photometer to comply with PWTAG guidance.

Question 3

Can I use ClearSpa chemicals in my pool?

Accepted Answer

Many active ingredients overlap, but ClearSpa products are dosed to litres for spas. Use ClearPool for the m³ volumes a swimming pool carries.

Question 4

What is PWTAG?

Accepted Answer

The Pool Water Treatment Advisory Group, the UK industry body that publishes guidance on chemical levels, testing frequency and operator training.

Question 5

Should I winterise my pool every year?

Accepted Answer

Yes for any UK outdoor pool that will sit unused below 12 C water temperature. A correct winterising package prevents algae blooms and freeze damage.

Question 6

How do I open a pool after winter?

Accepted Answer

Remove debris, top up to operating level, balance pH and alkalinity, super-chlorinate and run the filter for 24 hours before opening to swimmers.

Question 7

Where can I download safety data sheets?

Accepted Answer

Each ClearPool product page links to its current safety data sheet. Print copies are also available on request from the Spa Trade Group team.

Swimming Pool Chemicals

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