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Water Testing

Aquarium Supplies

Water Test Kits

Using test kits to detect problematic water conditions is key to the sustainability of a healthy aquarium. For a fish-only tank, you should measure and monitor pH, alkalinity, ammonia, nitrite, and nitrate levels. In addition to these, you should also monitor the calcium, magnesium and strontium levels in a reef aquarium.

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  1. Hanna Instruments Total Chlorine Reagents - 25 Tests

    Hanna Instruments Reagents

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    Reagent kit for 25 Chlorine tests Range: 0.00 to 2.50 mg/L
    FROM ONLY
    $8.99
  2. Hanna Instruments Total Chlorine Reagents - 25 Tests

    Hanna Instruments Total Chlorine Reagents - 25 Tests

    Reagent kit for 25 Chlorine tests Range: 0.00 to 2.50 mg/L
    ONLY
    $8.99
  3. Hanna Instruments Checker Total Chlorine Colorimeter

    Hanna Instruments Checker Colorimeter

    Read 85 Reviews

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    Easier to use and more accurate than chemical test kits EPA approved DPD method Accuracy ±0.03 ppm (mg/L) ±3% of reading 0.01 ppm (mg/L) resolution (250 points) Large, easy to read digits Auto shut-off. Dedicated to a single ...
    FROM ONLY
    $49.99
  4. Hanna Instruments Checker Total Chlorine Colorimeter

    Hanna Instruments Checker Total Chlorine Colorimeter

    Easier to use and more accurate than chemical test kits EPA approved DPD method Accuracy ±0.03 ppm (mg/L) ±3% of reading 0.01 ppm (mg/L) resolution (250 points) Large, easy to read digits Auto shut-off. Dedicated to a single ...
    ONLY
    $49.99

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