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hanna pocket tester

  1. pH Probe Calibration and How to Care for One

    pH Probe Calibration and How to Care for One

    Electronic pH measurement of aquarium water used to be something only a laboratory could perform. Thanks to advancements in technology, the cost of high-quality pH meters has come down to an...
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  2. Salinity Meter: Calibration and How to Care for One

    Salinity Meter: Calibration and How to Care for One

    Hanna Instruments Salinity Tester (HI98319), Apex Salinity Probe / Lab Grade Conductivity Probe and IceCap Salinity/Temperature Digital Pocket Tester In a previous article we explained how to use a...
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