Water Tester

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    …tank’s water chemistry to help ensure long-term coral health. More Info   HI98319 Marine Salinity Tester Ensure the salinity of your saltwater tank is right where you want it. The pen style tester will give you the salinity reading along with the temperature of the water at…

    $255.00 Regular Price: $

    …HI781 Marine Nitrate Low Range Colorimeter. With a digital read out, there is no more struggling to determine colors visually. This nitrate tester's compact design fits in your pocket or stores easily in your shop.   Features at-a-glance: * For use with saltwater…

    $49.95 Regular Price: $
    Out of Stock
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