hanna copper checker

  1. G

    California Testing Dry Goods SOLD SOLD - HR Copper Hanna Checker + 2 Reagent Boxes

    Took down my tank so I am selling my HR Copper Hanna Checker with two unopened reagents (bought November 2023). Only used it a few times. $40 shipped
  2. drblank1

    Ohio Testing Dry Goods Brand New/Never Used Hanna Copper and Nitrate Testers - Both Sold

    Each for $40 or both for $70 Local pickup in the SW Ohio area only.
  3. Muffin87

    Different forms of copper with metronidazole, and Hanna Copper HR

    Living in Europe, medications can be very difficult to find. At the moment, it seems my options in terms of copper medications are: DYI copper sulfate + citric acid (therapeutic range 0.15 to 0.2?) Cupramine (actual therapeutic range 0.5 to 0.6 for resistant strains?) Ionic copper (therapeutic...
  4. Dierks

    Minnesota Hanna HI702 High Range Copper Checker

    If anyone has one that they want to get rid of let me know before I buy new. Thanks!
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