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    IP67 Waterproof pH tester with large dual-level LCD that displays pH and temperature (C or F) . The large display shows readings in an extended range from 2.0 to 16.0 pH and simultaneously shows temperature from 5.0 to 105.0C or 23.0 to 221.0F. This tester has a stability indicator and hold function that freezes the display for easy and accurate recording. Complete with a temperature probe for faster and more precise temperature measurement, this tester compensates automatically for temperature. Calibration is made automatically in 1 or 2 points with memorized standards and NIST buffer sets. Auto power OFF saves battery power after non-use.The double injection electrode can be replaced in a very fast and simple way! The modular design allows easy electrode and battery replacement. Instructions
    $64.62  from GrowersHouse.com
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    The double injection electrode can be replaced in a very fast and simple way! The modular design allows easy electrode and battery replacement. Instructions
    $38.81  from GrowersHouse.com
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