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A guide for DPD testing in pools and spas

A guide for DPD testing in pools and spas

Pool operators need to be confident that the sanitizer concentration is correctly dosed and controlled, for the health and comfort of bathers.

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Controlling chloramination in drinking water

Controlling chloramination in drinking water

Dr Palin developed the DPD method of measuring free and total chlorine in the 1950’s and described at the time how the colorimetric method can suffer from interference from monochloramine during free chlorine readings.

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Free and combined chlorine - understand the difference

Free and combined chlorine - understand the difference

Testing the water for both free and combined chlorine allows you to know whether the water you've chlorinated is of sufficient quality to drink or disinfect your process, depending upon your application.

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