hi783

  1. R

    Testing Dry Goods FS: 3× Hanna Checkers (HI780 pH, HI713 Phosphate, HI783 Magnesium) – like new

    All three meters are in excellent condition—clean optics, no scratches, no salt creep. Stored dry. What’s included • HI780 Marine pH Checker – two cuvettes, caps, battery, full bottle of the reagent • HI713 Phosphate LR Checker – same accessories + ~6 reagent packets • HI783 Marine Magnesium...
  2. trevorhiller

    Hanna Marine Magnesium Checker HI783 Problems/Issues

    There are several threads accumulating on the forums of people having issues w/new marine magnesium checker HI783. There are also some similar reports on the AskBRS facebook page--results several hundred points higher. I wanted to start a thread here in Hanna Instruments sub-forum to give Hanna...
  3. N

    New Hanna Magnesium (HI783) Reviews

    I picked up one of the new Hanna HI783 Magnesium checkers when they dropped last week, and after one or two mulligans I got it working pretty well. A little more complex than the basic hanna tests (requires 2 reagents) but nothing too bad, especially vs the other titration mag methods. The...
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