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  • PinPoint ORP Monitor

    PinPoint ORP Monitor

    This monitor will measure the ORP (oxidation-reduction potential, or REDOX) of your system. It is popular with those who use ozone gas or potassium permanganate as an artificial oxidation agent in fre…

    $189.99
  • PinPoint pH monitor

    PinPoint pH monitor

    This affordable unit remains the only full-time pH monitor with .01 resolution. It requires only a 9-volt battery and is sold complete with the probe and calibration fluids.…

    $139.99
  • PinPoint Salinity Monitor

    PinPoint Salinity Monitor

    This monitor will accurately and immediately measure the amount of salt in any marine or freshwater system. The reading is fully temperature compensated and the conversion chart will precisely show th…

    $189.99
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