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Pool Care Guides

Green water needs treatment; opening day starts with equipment. Choose the guide for the job you’re doing, then use its calculators to work out doses or compare costs. Follow chemical labels and equipment instructions as you work.

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Start Here

Pool Water Chemistry for Beginners

Make sense of FC (free chlorine), pH, TA (total alkalinity), CYA (cyanuric acid), CH (calcium hardness) and salt. Use your tests to decide what needs adjusting. You’ll find links to all six chemical calculators.

Green or Cloudy Water

Start with tests and a look at the filter before adding more chemicals.

Seasonal Guides

Get the equipment ready and deal with the water before swimming or covering.

Equipment & Cost

Bring your pump measurements and bills to work out costs.

Pool Type Guides

Match treatment to your liner, finish and equipment.

Looking for a calculator?

Browse All Calculators →