Help & Advice

You can find in this section technical support guides and information to help you get the best out of your pool or spa. Read our Help & Advice here


Troubleshooting problems in swimming pools and spas. Read our FAQs here

Fast Delivery

Delivery is FREE for all orders over the value of £75.00 and £7.50 for orders under this value to mainland UK. Read more about our delivery policy here

Pool Size Calculator

Knowing your pool's volume is vital when making adjustments as all calculations and dose rates are based on it.

View Pool Calculator

Pool & Spa Water Testing Kits

Pools and Spa Water Testing for Safe Bathing

Whether for personal or commercial use, if you’re looking to test your swimming pool or spa water, then choosing effective water testing kits or strips is important.

At Online Pool Chemicals, our water testing products are manufactured by experts to suit a range of paramaters to be measured – chlorine, bromine alkalinity, cyanuric acid etc. – leaving you with pool or spa water that is safe and ready to use.

Great Prices on Water Testing Kits, Strips and Meters

At Online Pool Chemicals, we’ve a range of kits, strips and meters, so you’re sure to be able to find the correct kit to measure your pool or spa water; we’ve a range of kits for the residential user and the pool professional – test strips to full pool and spa kits.

Whether you need a tube of 50 test strips or meters and full pool & spa test kit shop online today to find the water testing kit  to suit you – at fantastic prices you won’t find anywhere else. Plus, when you spend over £50, you’ll enjoy FREE delivery to your door (mainland UK only).

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